iMerchant Sandbox: https://www.sandbox-checkout.imerchant.online/
iMerchant Production: https://www.checkout.imerchant.online/
Manage and issue refunds for payments made to merchants for a previously processed payment.
The following apply for refunds:
- You cannot refund more than what was originally collected
- The refund will be returned to it’s original payment account. There’s a remark of refund in iMerchant Merchant Management System
- Real-time refund
- Support a full or partial refund
note: Although the refund can be processed immediately, it takes time for the bank to process the fund. Therefore, the refund will not appear in buyer’s bank account in real-time. The standard is 5-10 working days
Protocol parameter
| variable name | required | field type |
|---|---|---|
| service_version | no | String(8) |
| sign | yes | String(32) |
Request Body
bid string(16) required
BID is the account number generated by iMerchant for the merchant. It is a string of 32 bits long to uniquely identify the merchant generated by the system
transaction_id string(26) required
iMerchant platform number to identify a transaction. It contains 26 digits
refund_mchid string(32) required
The unique remark for the merchant processing a specific refund
amount Int required
Refund amount, pay minimum unit
Response Field
result string required
Information about errors encountered during the request
'Fail' or 'Success'
transaction_id string(26) required
iMerchant plaform id
attch_id string(32) required
The unique id to record the refund
error_message string
The message for the error in refund