> ## Documentation Index
> Fetch the complete documentation index at: https://docs.natural.com/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> When building application code, use `@naturalpay/sdk` for TypeScript or `naturalpay` for Python.
> When operating Natural directly for a user, use the payments MCP at `https://mcp.natural.com`.
> When searching Natural documentation, use the docs MCP at `https://docs.natural.com/mcp`.
> Use the Natural CLI for terminal and CI automation.
> Use REST only for unsupported languages or when the user explicitly requests raw HTTP.
> Start integration development and testing in the sandbox. Do not use production unless the user explicitly requests it.
> For sandbox requests that require `customerPartyId`, list customers first. Reuse only the intended fixture; otherwise create a customer.
> REST and SDK amounts use integer minor units. Payments MCP amounts use decimal strings with a required currency code.

# List plan payments

> List a card plan's charges, newest first. Payment 1 appears once checkout completes, and each retry of a later payment is its own charge.



## OpenAPI

````yaml /api-reference/openapi-early-access.json get /plans/{planId}/payments
openapi: 3.1.1
info:
  title: Natural API (early access)
  version: 0.2.0
  description: |-
    Early-access endpoints of Natural's payments API.

    **Base URL:** `https://api.natural.com`

    For access: hi@natural.com
servers:
  - url: https://api.natural.com
    description: Production
security: []
tags:
  - name: Plans
    description: Subscriptions and installments paid by card
paths:
  /plans/{planId}/payments:
    get:
      tags:
        - Plans
      summary: List plan payments
      description: >-
        List a card plan's charges, newest first. Payment 1 appears once
        checkout completes, and each retry of a later payment is its own charge.
      operationId: plans.listPayments
      parameters:
        - name: planId
          in: path
          required: true
          schema:
            type: string
            pattern: ^pln_[0-9a-f]{32}$
            description: Plan ID (pln_*).
        - name: customerPartyId
          in: query
          required: false
          schema:
            type: string
            pattern: ^pty_[0-9a-f]{32}$
            description: >-
              Customer party to act for (pty_*). Omit for your own account.
              Requires authorization from that customer.
          allowEmptyValue: true
          allowReserved: true
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            minimum: 1
            maximum: 100
            default: 50
            description: Maximum results per page.
          allowEmptyValue: true
          allowReserved: true
        - name: cursor
          in: query
          required: false
          schema:
            type: string
            maxLength: 1024
            description: Cursor from the previous page.
          allowEmptyValue: true
          allowReserved: true
        - name: X-Instance-ID
          in: header
          required: false
          schema:
            anyOf:
              - type: string
                maxLength: 1024
              - type: 'null'
          description: >-
            Caller-chosen identifier for the agent run, session, or
            conversation, required when an agent moves money.
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/CardPayment'
                  meta:
                    type: object
                    properties:
                      pagination:
                        type: object
                        properties:
                          hasMore:
                            type: boolean
                            description: Whether more results are available.
                          nextCursor:
                            anyOf:
                              - type: string
                              - type: 'null'
                            description: >-
                              Cursor for the next page, or null when there are
                              no more results.
                        required:
                          - hasMore
                          - nextCursor
                        additionalProperties: false
                        title: PaginationMeta
                    required:
                      - pagination
                    additionalProperties: false
                required:
                  - data
                  - meta
                additionalProperties: false
                title: CardPaymentListResponse
              examples:
                default:
                  summary: Default
                  value:
                    data:
                      - id: cpy_019d0a1b2c3d4e5f60718293a4b5c6da
                        type: cardPayment
                        attributes:
                          amount: 2900
                          currency: USD
                          status: succeeded
                          brand: visa
                          last4: '4242'
                          channel: api
                          mandateId: mdt_019d0a1b2c3d4e5f60718293a4b5c6f1
                          plan:
                            id: pln_019d0a1b2c3d4e5f60718293a4b5c6f2
                            kind: subscription
                            paymentNumber: 2
                          receiptUrl: https://www.natural.com/receipts#example
                          failure: null
                          fee:
                            amount: 114
                            currency: USD
                            payer: recipient
                            applied: deducted
                          refundedAmount: 0
                          refundableAmount: 2900
                          settledAt: null
                          createdAt: '2026-10-18T12:06:00.000Z'
                          updatedAt: '2026-10-18T12:06:01.000Z'
                        relationships:
                          paymentIntent:
                            data:
                              type: paymentIntent
                              id: pmi_019d0a1b2c3d4e5f60718293a4b5c6d5
                          refunds:
                            data: []
                      - id: cpy_019d0a1b2c3d4e5f60718293a4b5c6d9
                        type: cardPayment
                        attributes:
                          amount: 2900
                          currency: USD
                          status: failed
                          brand: visa
                          last4: '4242'
                          channel: api
                          mandateId: mdt_019d0a1b2c3d4e5f60718293a4b5c6f1
                          plan:
                            id: pln_019d0a1b2c3d4e5f60718293a4b5c6f2
                            kind: subscription
                            paymentNumber: 2
                          receiptUrl: null
                          failure:
                            code: insufficientFunds
                            reason: The card has insufficient funds.
                            advice: tryAgainLater
                          fee: null
                          refundedAmount: 0
                          refundableAmount: 0
                          settledAt: null
                          createdAt: '2026-10-17T12:05:00.000Z'
                          updatedAt: '2026-10-17T12:05:01.000Z'
                        relationships:
                          paymentIntent:
                            data:
                              type: paymentIntent
                              id: pmi_019d0a1b2c3d4e5f60718293a4b5c6d6
                          refunds:
                            data: []
                    meta:
                      pagination:
                        hasMore: false
                        nextCursor: null
          headers:
            X-RateLimit-Limit:
              description: Maximum requests allowed per window.
              schema:
                type: integer
            X-RateLimit-Remaining:
              description: Requests remaining in current window.
              schema:
                type: integer
            X-RateLimit-Reset:
              description: Unix timestamp when rate limit resets.
              schema:
                type: integer
        '400':
          description: Validation Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: invalid_value
                        detail: >-
                          The information you entered isn't valid. Please check
                          it and try again.
                        status: '400'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: unauthenticated
                        detail: Authentication is required.
                        status: '401'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: forbidden
                        detail: You do not have permission to perform this action.
                        status: '403'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '404':
          description: >-
            Not Found. Returned when the resource does not exist, or when it
            exists but is not accessible to your account. The two cases are
            intentionally indistinguishable, so that resource IDs cannot be
            enumerated by probing.
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: not_found
                        detail: The requested resource was not found.
                        status: '404'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '409':
          description: Conflict
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: conflict
                        detail: The request conflicts with the current resource state.
                        status: '409'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '422':
          description: >-
            Validation Error. The response contains one error object for each
            invalid request value.
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: invalid_value
                        detail: 'Too big: expected string to have <=80 characters'
                        status: '422'
                        source:
                          pointer: /data/attributes/description
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '428':
          description: Precondition Required
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: mfa_required
                        detail: MFA verification required
                        status: '428'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '429':
          description: Too Many Requests
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: rate_limited
                        detail: Too many requests. Please try again later.
                        status: '429'
                        meta:
                          supportId: req_a1b2c3d4e5f6
          headers:
            Retry-After:
              description: Seconds to wait before retrying.
              schema:
                type: integer
            X-RateLimit-Limit:
              description: Maximum requests allowed per window.
              schema:
                type: integer
            X-RateLimit-Remaining:
              description: Requests remaining in current window.
              schema:
                type: integer
            X-RateLimit-Reset:
              description: Unix timestamp when rate limit resets.
              schema:
                type: integer
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: server_error
                        detail: Something went wrong.
                        status: '500'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '501':
          description: Not Implemented
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: not_implemented
                        detail: This operation is not available.
                        status: '501'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '502':
          description: Bad Gateway
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: bad_gateway
                        detail: >-
                          We couldn't complete that request because one of
                          Natural's services returned an unexpected response.
                          Please try again.
                        status: '502'
                        meta:
                          supportId: req_a1b2c3d4e5f6
        '503':
          description: Service Unavailable
          content:
            application/json:
              schema:
                type: object
                properties:
                  errors:
                    type: array
                    minItems: 1
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          description: Stable lower-snake-case public error code.
                        detail:
                          type: string
                          description: Safe user-facing error detail.
                        status:
                          type: string
                          description: HTTP status code as a string.
                        source:
                          type: object
                          description: Location of the invalid request value.
                          properties:
                            pointer:
                              type: string
                              description: JSON Pointer to the invalid request value.
                            parameter:
                              type: string
                              description: Name of the invalid query parameter.
                            header:
                              type: string
                              description: Name of the invalid request header.
                          additionalProperties: false
                        meta:
                          type: object
                          description: >-
                            Additional error context, including support and
                            provider details when available.
                          properties:
                            supportId:
                              type: string
                              description: Request/support ID for troubleshooting.
                            limitScope:
                              type: string
                              enum:
                                - merchant
                                - program
                              description: >-
                                Which family of acquiring limit refused the
                                payment. Thresholds and usage are never
                                disclosed.
                            connectionStatus:
                              type: string
                              enum:
                                - login_required
                                - disconnected
                              description: >-
                                External account connection state when the error
                                is repairable by relinking.
                            provider:
                              type: object
                              description: Provider error details, when available.
                              properties:
                                name:
                                  type: string
                                  enum:
                                    - plaid
                                  description: Provider that returned the underlying error.
                                errorCode:
                                  type: string
                                  description: Provider error code, when available.
                                errorType:
                                  type: string
                                  description: Provider error type, when available.
                                requestId:
                                  type: string
                                  description: Provider request ID for troubleshooting.
                              required:
                                - name
                              additionalProperties: false
                          required:
                            - supportId
                          additionalProperties: false
                      required:
                        - code
                        - detail
                        - status
                        - meta
                      additionalProperties: false
                required:
                  - errors
                additionalProperties: false
              examples:
                default:
                  summary: Default
                  value:
                    errors:
                      - code: service_unavailable
                        detail: The service is temporarily unavailable.
                        status: '503'
                        meta:
                          supportId: req_a1b2c3d4e5f6
      security:
        - HTTPBearer: []
components:
  schemas:
    CardPayment:
      type: object
      properties:
        id:
          type: string
          pattern: ^cpy_[0-9a-f]{32}$
          description: Card payment ID (cpy_*).
        type:
          description: Resource type. Always `cardPayment`.
          type: string
          enum:
            - cardPayment
        attributes:
          type: object
          properties:
            amount:
              type: integer
              description: Attempted amount in US cents.
            currency:
              description: Currency code.
              type: string
              enum:
                - USD
            status:
              enum:
                - processing
                - succeeded
                - failed
              type: string
              description: >-
                Payment attempt status. A succeeded payment was accepted, but
                funds may not be settled yet.
            brand:
              anyOf:
                - type: string
                - type: 'null'
              description: Card brand, when known.
            last4:
              anyOf:
                - type: string
                - type: 'null'
              description: Last four card digits, when known.
            channel:
              enum:
                - link
                - voice
                - api
              type: string
              description: Where the payer submitted the payment.
            mandateId:
              type: string
              pattern: ^mdt_[0-9a-f]{32}$
              description: >-
                The plan's card agreement (mdt_*) this payment was charged on.
                Only on a plan's later payments, which Natural charges without
                the payer present (channel api).
            plan:
              type: object
              properties:
                id:
                  type: string
                  pattern: ^pln_[0-9a-f]{32}$
                  description: Plan ID (pln_*).
                kind:
                  enum:
                    - subscription
                    - installments
                  type: string
                  description: The plan's kind.
                paymentNumber:
                  type: integer
                  description: >-
                    Which payment of the plan this is. Payment 1 is paid in
                    checkout.
              required:
                - id
                - kind
                - paymentNumber
              additionalProperties: false
              description: >-
                The plan this payment pays, and which of its payments it is.
                Only on a plan's payments.
            receiptUrl:
              anyOf:
                - type: string
                - type: 'null'
              description: >-
                Hosted receipt page for the payer. Null until the payment
                succeeds.
            failure:
              anyOf:
                - type: object
                  properties:
                    code:
                      anyOf:
                        - type: string
                        - type: 'null'
                      description: Failure code, when known. New codes may be added.
                    reason:
                      anyOf:
                        - type: string
                        - type: 'null'
                      description: Explanation of the failure.
                    advice:
                      anyOf:
                        - enum:
                            - doNotRetry
                            - tryAgainLater
                            - confirmCardData
                          type: string
                        - type: 'null'
                      description: Recommended payer action, when known.
                  required:
                    - code
                    - reason
                    - advice
                  additionalProperties: false
                - type: 'null'
              description: Failure details. Null unless the attempt failed.
            fee:
              anyOf:
                - type: object
                  properties:
                    amount:
                      type: integer
                      exclusiveMinimum: 0
                      description: Fee amount in cents.
                    currency:
                      enum:
                        - USD
                      type: string
                      description: Currency of the fee.
                    payer:
                      description: Party role charged the fee.
                      type: string
                      enum:
                        - recipient
                    applied:
                      description: >-
                        The fee is subtracted from the principal amount before
                        the recipient receives it.
                      type: string
                      enum:
                        - deducted
                  required:
                    - amount
                    - currency
                    - payer
                    - applied
                  additionalProperties: false
                  title: RecipientDeductedFee
                - type: 'null'
              description: >-
                Fee deducted from your proceeds as the recipient. Null when no
                fee applies, the payment failed, the fee was voided, or your
                party is not the fee payer.
            refundedAmount:
              type: integer
              description: Cents returned by successful refunds.
            refundableAmount:
              type: integer
              description: >-
                Amount in US cents remaining after pending and successful
                refunds. Zero unless the payment succeeded. Other refund
                restrictions may apply.
            settledAt:
              anyOf:
                - type: string
                - type: 'null'
              description: >-
                RFC 3339 timestamp when the funds reached your wallet, or null
                while the payout is still settling.
            createdAt:
              type: string
              description: RFC 3339 creation timestamp.
            updatedAt:
              type: string
              description: >-
                RFC 3339 update timestamp. Refund changes may not advance this
                timestamp.
          required:
            - amount
            - currency
            - status
            - brand
            - last4
            - channel
            - receiptUrl
            - failure
            - fee
            - refundedAmount
            - refundableAmount
            - settledAt
            - createdAt
            - updatedAt
          additionalProperties: false
          title: CardPaymentAttributes
        relationships:
          type: object
          properties:
            paymentIntent:
              type: object
              properties:
                data:
                  type: object
                  properties:
                    type:
                      description: Resource type. Always `paymentIntent`.
                      type: string
                      enum:
                        - paymentIntent
                    id:
                      type: string
                      pattern: ^pmi_[0-9a-f]{32}$
                  required:
                    - type
                    - id
                  additionalProperties: false
                  title: ResourceIdentifier
                  description: Related resource identifier.
              required:
                - data
              additionalProperties: false
              title: ToOneRelationship
              description: The payment intent this attempt belongs to.
            refunds:
              type: object
              properties:
                data:
                  type: array
                  items:
                    type: object
                    properties:
                      type:
                        description: Resource type. Always `refund`.
                        type: string
                        enum:
                          - refund
                      id:
                        type: string
                        pattern: ^rfd_[0-9a-f]{32}$
                    required:
                      - type
                      - id
                    additionalProperties: false
                    title: ResourceIdentifier
                    description: Related resource identifier.
              required:
                - data
              additionalProperties: false
              title: ToManyRelationship
              description: >-
                Up to 25 newest refund references, including pending and failed
                refunds. List refunds by cardPaymentId for the full history.
          required:
            - paymentIntent
            - refunds
          additionalProperties: false
          title: CardPaymentRelationships
      required:
        - id
        - type
        - attributes
        - relationships
      additionalProperties: false
      title: CardPaymentResource
  securitySchemes:
    HTTPBearer:
      type: http
      scheme: bearer
      description: >-
        Bearer authentication: send your API key, agent key, or OAuth access
        token as `Authorization: Bearer <credential>`.

````

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