Deposit Callback
This callback API is used by the ATT Pay system to notify the merchant server of the processing result of a deposit transaction. The merchant must verify the signature and return a valid status_codeto acknowledge the callback.
1. Receiving Deposit Transaction Callback
POSTapplication/jsonRequest Body Parameters:
| Params | Type | Description | Example |
|---|---|---|---|
| withdraw_id | String | Platform trace ID | 12345_67890 |
| merchant_id | String | Platform merchant ID | att_merchant_4 |
| trans_status | String | Transaction status - trans_code explanation | pending |
| amount | Number | Transaction amount (VND) | 50000 |
| signature | String | Signature logic | 7779b0e5a82b61ac89f5c3f50ffbdc65 |
2. Callback Response
status_code according to the status code specification.The payment system will use this response to determine the next processing step.
Modified at 2025-12-20 18:27:05