Integrate a merchant application with the PSP payment API (deposits, withdrawals, refunds, captures/voids, card tokens, recurring/subscriptions, hosted fields, Apple Pay / Google Pay), implement webhook handling and safe payment-state to order-state mapping, and verify the flow against the PSP sandbox.
Check the marketplace listing or publisher’s documentation for supported actions and examples.
Ranking history
Browse the order shown in the public ChatGPT Plugins directory on each capture date. Popular is a curated collection. OpenAI does not publish install or usage counts here.