Receive the EHI JSON payload forwarded by Payblr.
Validate Payblr’s request signature and timestamp.
Identify the message type using fields such as MTID, Txn_Type, or CutOffId.
Return the required JSON response.
Apply matching, duplicate handling, balance, ledger, and reconciliation logic according to your internal rules.
Store key identifiers and x-correlation-id for support and troubleshooting.