For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
Retrieves the details of a billing agreement using its token.
*Deprecated. For new integrations, see [Grants](https://afterpay.docs.buildwithfern.com/afterpay-online-developer/api-reference/reference/grants/start-grant-approval).*
Retrieves the details of a billing agreement using its token.