2.1.1 Bank UPI Switch Financial APIs

Following are all supported APIs:

API	Description
ReqPay	NPCI sends this API to Remitter / Beneficiary bank to perform Debit / Credit transaction on the customer bank account for the UPI payment.
ReqBalEnq	NPCI sends this API to Bank for enquiring the account balance.
ReqChkTxn	NPCI sends this API to Bank for enquiring the transaction status.
ReqComplaint	NPCI sends this API to Bank for raising the complaint for a financial transaction.
ReqHbt	Both NPCI and Bank send this API to each other to check the connectivity.