> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developer.americanexpress.ferndocs.com/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)