Response Codes

The error codes which help you identify the exact reason and solve the error.

All successful responses are returned with TXN (Transaction Successful) and TUP(Transaction Under Process). In case of failure, InstantPay API returns a JSON error response with the parameters that detail the reason for the failure.


TXN Transaction Successful
TUP Transaction Under Process
RPI Request Parameters are Invalid or Incomplete
UAD User Access Denied
IAC Invalid Dealer Credentials
IAT Invalid Access Token
AAB Dealer Account Blocked, Contact Helpdesk
IAB Insufficient wallet Balance
ISP Invalid Service Provider
DID Duplicate Dealer Transaction ID
DTX Duplicate Transaction, Try after 15 Minutes
IAN Invalid Account Number
IRA Invalid Refill Amount
DTB Denomination Temporarily Barred
RBT Refill Barred Temporarily, Contact Service Provider
SPE Service Provider Error, Try Later
SPD Service Provider Downtime
UED Unknown Error Description, Contact Helpdesk
IEC Invalid Error Code
IRT Invalid Response Type
ITI Invalid Transaction ID
TSU Transaction Status Unavailable, Try Again
IPE Internal Processing Error, Try Later
ISE System Error, Try Later
TRP Transaction Refund Processed, Wallet Credited
OUI Outlet Unauthorized or Inactive
ODI Outlet Data Incorrect
TDE Transaction Dispute Error,Contact Helpdesk
DLS Dispute Logged Successfully
RNF Remitter Not Found
RAR Remitter Already Registered
IVC Invalid Verification Code or OTP
IUA Invalid User Account
SNA Service not Available
ERR Unknown Error
FAB Failure at Bank end
TRP Transaction Refund Processed,Wallet Credited
ERR Provider Error
UFC Fare Has Changed
OLR OTP Limit Reached
OTP OTP sent successfully
EOP OTP Expired
ONV OTP not valid
RAB Remitter Account Blocked



  1. Any other error codes except given above are to be confirmed before taking any action and should be treated as pending.

  2. There is one case of Timeout if you received timeout please treat that Transaction in Pending and Check the Status of the Transaction from Transaction Status API and take action accordingly to that status.