Interswitch Card Payments API

Process card payments directly via the Interswitch API with 3D Secure support, Hosted Fields, and Google Pay integration.

Card Payment Flow

1. Collect card details (PAN, expiry, CVV, PIN)
2. Encrypt card data into authData
3. Send payment request with encrypted authData
4. Handle OTP/3D Secure if required
5. Verify transaction server-side

Test Credentials (Card Payment API)