3. PayIn

Endpoints

Page	Description
Create PayIn	Create a single INR payin with p2c Trusted/FTD or p2p payment-page routing.
Get PayIn Status	Read current payin status by external_id.
PayIn Webhook Delivery	Receive payin status updates.

Flow

1. Create a payin with POST /api/v1/payins.
2. Use the paymentData contract that matches the shop routing and integration scheme. INR p2p payment-page payins do not require request paymentData.
3. Send the returned UPI/payment-page data to the customer.
4. Use webhooks and Get PayIn Status for reconciliation.