curl --request PATCH \
  --url https://api.natural.com/payment-intents/{paymentIntentId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "data": {
    "attributes": {
      "amount": 5840,
      "lineItems": [
        {
          "referenceId": "menu_item_31",
          "description": "Margherita pizza",
          "quantity": 2,
          "unitAmount": 1800,
          "taxAmount": 320,
          "taxCode": "prepared_food"
        },
        {
          "description": "Garlic knots",
          "quantity": 1,
          "unitAmount": 1800,
          "taxAmount": 120
        }
      ]
    }
  }
}
'

import requests

url = "https://api.natural.com/payment-intents/{paymentIntentId}"

payload = { "data": { "attributes": {
            "amount": 5840,
            "lineItems": [
                {
                    "referenceId": "menu_item_31",
                    "description": "Margherita pizza",
                    "quantity": 2,
                    "unitAmount": 1800,
                    "taxAmount": 320,
                    "taxCode": "prepared_food"
                },
                {
                    "description": "Garlic knots",
                    "quantity": 1,
                    "unitAmount": 1800,
                    "taxAmount": 120
                }
            ]
        } } }
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    data: {
      attributes: {
        amount: 5840,
        lineItems: [
          {
            referenceId: 'menu_item_31',
            description: 'Margherita pizza',
            quantity: 2,
            unitAmount: 1800,
            taxAmount: 320,
            taxCode: 'prepared_food'
          },
          {description: 'Garlic knots', quantity: 1, unitAmount: 1800, taxAmount: 120}
        ]
      }
    }
  })
};

fetch('https://api.natural.com/payment-intents/{paymentIntentId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.natural.com/payment-intents/{paymentIntentId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'data' => [
        'attributes' => [
                'amount' => 5840,
                'lineItems' => [
                                [
                                                                'referenceId' => 'menu_item_31',
                                                                'description' => 'Margherita pizza',
                                                                'quantity' => 2,
                                                                'unitAmount' => 1800,
                                                                'taxAmount' => 320,
                                                                'taxCode' => 'prepared_food'
                                ],
                                [
                                                                'description' => 'Garlic knots',
                                                                'quantity' => 1,
                                                                'unitAmount' => 1800,
                                                                'taxAmount' => 120
                                ]
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.natural.com/payment-intents/{paymentIntentId}"

	payload := strings.NewReader("{\n  \"data\": {\n    \"attributes\": {\n      \"amount\": 5840,\n      \"lineItems\": [\n        {\n          \"referenceId\": \"menu_item_31\",\n          \"description\": \"Margherita pizza\",\n          \"quantity\": 2,\n          \"unitAmount\": 1800,\n          \"taxAmount\": 320,\n          \"taxCode\": \"prepared_food\"\n        },\n        {\n          \"description\": \"Garlic knots\",\n          \"quantity\": 1,\n          \"unitAmount\": 1800,\n          \"taxAmount\": 120\n        }\n      ]\n    }\n  }\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://api.natural.com/payment-intents/{paymentIntentId}")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": {\n    \"attributes\": {\n      \"amount\": 5840,\n      \"lineItems\": [\n        {\n          \"referenceId\": \"menu_item_31\",\n          \"description\": \"Margherita pizza\",\n          \"quantity\": 2,\n          \"unitAmount\": 1800,\n          \"taxAmount\": 320,\n          \"taxCode\": \"prepared_food\"\n        },\n        {\n          \"description\": \"Garlic knots\",\n          \"quantity\": 1,\n          \"unitAmount\": 1800,\n          \"taxAmount\": 120\n        }\n      ]\n    }\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.natural.com/payment-intents/{paymentIntentId}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"data\": {\n    \"attributes\": {\n      \"amount\": 5840,\n      \"lineItems\": [\n        {\n          \"referenceId\": \"menu_item_31\",\n          \"description\": \"Margherita pizza\",\n          \"quantity\": 2,\n          \"unitAmount\": 1800,\n          \"taxAmount\": 320,\n          \"taxCode\": \"prepared_food\"\n        },\n        {\n          \"description\": \"Garlic knots\",\n          \"quantity\": 1,\n          \"unitAmount\": 1800,\n          \"taxAmount\": 120\n        }\n      ]\n    }\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "data": {
    "id": "pmi_019d0a1b2c3d4e5f60718293a4b5c6d7",
    "type": "paymentIntent",
    "attributes": {
      "amount": 5840,
      "currency": "USD",
      "description": "Order 8842",
      "status": "open",
      "payUrl": "https://www.natural.com/checkout#chk_example",
      "taxMode": "exclusive",
      "taxAmount": 440,
      "lineItems": [
        {
          "id": "pli_019d0a1b2c3d4e5f60718293a4b5c6e2",
          "position": 0,
          "referenceId": "menu_item_31",
          "description": "Margherita pizza",
          "quantity": 2,
          "unitAmount": 1800,
          "taxAmount": 320,
          "taxCode": "prepared_food",
          "subtotalAmount": 3600,
          "totalAmount": 3920
        },
        {
          "id": "pli_019d0a1b2c3d4e5f60718293a4b5c6e3",
          "position": 1,
          "referenceId": null,
          "description": "Garlic knots",
          "quantity": 1,
          "unitAmount": 1800,
          "taxAmount": 120,
          "subtotalAmount": 1800,
          "totalAmount": 1920,
          "taxCode": null
        }
      ],
      "expiresAt": null,
      "canceledAt": null,
      "createdAt": "2026-09-17T18:00:00.000Z",
      "updatedAt": "2026-09-17T18:03:00.000Z"
    },
    "relationships": {
      "customerParty": {
        "data": {
          "type": "party",
          "id": "pty_019cd1798d627ad9bc302511c4f2c115"
        }
      },
      "cardPayment": {
        "data": null
      },
      "voiceSession": {
        "data": null
      }
    }
  }
}

{
  "errors": [
    {
      "code": "invalid_value",
      "detail": "The information you entered isn't valid. Please check it and try again.",
      "status": "400",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "unauthenticated",
      "detail": "Authentication is required.",
      "status": "401",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "forbidden",
      "detail": "You do not have permission to perform this action.",
      "status": "403",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "not_found",
      "detail": "The requested resource was not found.",
      "status": "404",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "conflict",
      "detail": "The request conflicts with the current resource state.",
      "status": "409",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "invalid_value",
      "detail": "Too big: expected string to have <=80 characters",
      "status": "422",
      "source": {
        "pointer": "/data/attributes/description"
      },
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "mfa_required",
      "detail": "MFA verification required",
      "status": "428",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "rate_limited",
      "detail": "Too many requests. Please try again later.",
      "status": "429",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "server_error",
      "detail": "Something went wrong.",
      "status": "500",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "not_implemented",
      "detail": "This operation is not available.",
      "status": "501",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}

{
  "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"
      }
    }
  ]
}

{
  "errors": [
    {
      "code": "service_unavailable",
      "detail": "The service is temporarily unavailable.",
      "status": "503",
      "meta": {
        "supportId": "req_a1b2c3d4e5f6"
      }
    }
  ]
}