> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developer.americanexpress.ferndocs.com/payment-services/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developer.americanexpress.ferndocs.com/_mcp/server.

# Payment Services

## Versions

- [2.0](https://developer.americanexpress.ferndocs.com/payment-services/v2/llms.txt) (default)