> ## 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.

# Natural-issued cards

> Card sessions for cards Natural issues to your wallet

<Note>Card sessions for Natural-issued cards are coming soon.</Note>

Today, [card sessions](/guides/concepts/card-sessions) work with cards a user saved on the dashboard (`eac_*`). Soon your agents will also be able to open a card session on a card Natural issues to your wallet, with the same create, poll and claim flow.

To be notified when it's available, contact [hi@natural.com](mailto:hi@natural.com).