Acquiring
Issuer decline code
亦有: response code, ISO 8583
Two-digit ISO 8583 response (05 Do Not Honour, 51 Insufficient Funds, 54 Expired Card) explaining why an issuer refused an auth; drives retry logic.
Acquiring
亦有: response code, ISO 8583
Two-digit ISO 8583 response (05 Do Not Honour, 51 Insufficient Funds, 54 Expired Card) explaining why an issuer refused an auth; drives retry logic.