PayU

UPI, cards, net banking, wallets and EMI through PayU. The payer is sent to PayU with a hashed form.

Settings

Field
Merchant key	PayU Dashboard → Developers → API keys (test and live keys differ).
Merchant salt (v1)	Stored encrypted. For webhooks, add the webhook URL shown in PayLink in PayU Dashboard → Webhooks for successful, failed and refund events.

How it's confirmed

PayU posts the result back with a SHA-512 reverse hash, checked before anything changes; verify_payment covers the rest. Refunds full and partial. In settlement reports the payment reference is PayU's mihpayid.