Token |
Identifies the card token associated with the transaction. |
TXn_ID / Txn_ID |
Identifies the EHI transaction message. Useful for storing and duplicate detection. |
MTID |
Identifies the message category. |
Txn_Type |
Identifies the transaction type within the message category. |
traceid_lifecycle |
Helps link related messages in the same transaction lifecycle when present. |
Trans_link |
Helps link related authorization, reversal, and financial messages. |
Auth_Code_DE38 |
May help match authorizations, presentments, reversals, and chargebacks when present. |
Ret_Ref_No_DE37 |
May help link related authorization messages. |
TXN_Time_DE07 |
May help identify the original transaction in authorization repeat scenarios. |
POS_Termnl_DE41 |
May help identify the original authorization in repeat scenarios. |
Acquirer_Reference_Data_031 |
Commonly used for clearing, presentment, financial reversal, and chargeback matching. |
Network_Transaction_ID |
May help with network-level transaction identification when present. |
SchemeTransactionIdentifier |
May help with scheme-level transaction identification when present. |
CutOffId |
Primary identifier for cut-off messages and cut-off duplicate detection. |
SendingAttemptCount |
May indicate repeated delivery attempts, but should not be used by itself as the transaction match key. |
x-correlation-id |
Payblr correlation identifier used for tracing the request through Payblr and your system. |