For AI agents: the docs index is at https://docs.affirm.com/developers/llms.txt. The index for every project on this site is at https://docs.affirm.com/llms.txt. Append .md to any documentation page URL to get its markdown version.

Read, Void, Refund, and Update Transactions

Explore that actions you can take when using Affirm's Transactions API. Learn about reading, voiding, refunding, and updating a transaction.