Open this page in the Pi Browser app — Pi SDK only works there.
Enter your backend Base URL and Access Token under Connection.
Configure each Endpoint — set the route, method, and map which runtime variables (Pi Payment ID, Reference, TX ID) to send and how (body field, query param, or URL path).
Optionally add extra static fields in the Extra Body textarea for each endpoint.
Set the Response Mapping so the tester knows where to find the payment reference and status in your API responses.
Save your config for quick reuse across sessions.
Initialize Pi SDK (Testnet for testing) and Authenticate.
Write your init payload JSON, set the Pi amount, and hit Pay with Pi.