Paste your secret key into these curl examples. The key stays on your machine; nothing is saved in the browser. Base URL: https://api.parupay.com/v1 (or your local API, e.g. http://127.0.0.1:8000/v1).
Sandbox S2S examples use the 2D test card. See Testing cards for every card, expiry 05 / 2029, and CVC 911.
Replace plink_… with an id from create or list.

Create an S2S payment (sandbox)

List S2S payments (sandbox)

Get one S2S payment (sandbox)

Replace pi_… with a payment id.