> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://developer.americanexpress.ferndocs.com/open-banking/confirmation-of-funds/guide/environment-urls/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developer.americanexpress.ferndocs.com/_mcp/server. # Environment URLs ##### OAuth Resource URLs Resource Environment Endpoint `Access Token` Sandbox Production [https://openamex-qa.americanexpress.com/apiplatform/v2/oauth/token/mac](https://openamex-qa.americanexpress.com/apiplatform/v2/oauth/token/mac) [https://apigateway2sob.americanexpress.com/apiplatform/v2/oauth/token/mac](https://apigateway2sob.americanexpress.com/apiplatform/v2/oauth/token/mac) `Refresh Token` Sandbox Production [https://openamex-qa.americanexpress.com/apiplatform/v1/oauth/token/refresh/mac](https://openamex-qa.americanexpress.com/apiplatform/v1/oauth/token/refresh/mac) [https://apigateway2sob.americanexpress.com/apiplatform/v1/oauth/token/refresh/mac](https://apigateway2sob.americanexpress.com/apiplatform/v1/oauth/token/refresh/mac) `Revoke Token` Sandbox Production [https://openamex-qa.americanexpress.com/apiplatform/v2/oauth/token\_revocation/mac](https://openamex-qa.americanexpress.com/apiplatform/v2/oauth/token_revocation/mac) [https://apigateway2sob.americanexpress.com/apiplatform/v2/oauth/token\_revocation/mac](https://apigateway2sob.americanexpress.com/apiplatform/v2/oauth/token_revocation/mac) ##### Card Member Funds Availability Resource URLs Resource Environment Endpoint `Confirmation of Funds` Sandbox Production [https://openamex-qa.americanexpress.com/servicing/v1/card\_member/funds/confirmations](https://openamex-qa.americanexpress.com/servicing/v1/card_member/funds/confirmations) [https://apigateway2sob.americanexpress.com/servicing/v1/card\_member/funds/confirmations](https://apigateway2sob.americanexpress.com/servicing/v1/card_member/funds/confirmations)