Refund & Refund Query API (Common)

For all the payment methods

✅ Refund Transaction API

☑️ Request Message Parameters

Params Name	Description	Required	Notes
action	Action name	Y	REFUND
version	Version number	Y	1.0
merchant_id	Merchant ID	Y
data	Encrypted Transaction Data	Y	refer to "Data" below
md5	Message digest	Y

✅ Data(JSON Data, to be encrypted):

Params Name	Description	Required	Notes
order_id	Order ID	N	Optional. A new order id (Refund Order ID) will be generated for refund instead of old orderID
ori_order_id	Original order ID	Y
refund_amt	Refund amount	Y	String, "100" for 1.00 dollar.

☑️ Response Message Parameters

Params Name	Description	Required	Notes
rsp_code	Response code	Y	Please refer to Appendix B
rsp_msg	Response message	Y
data	Encrypted Transaction Data	Y	refer to "Data" below
md5	Message digest	Y

✅ Data(JSON Data, to be encrypted):

Params Name	Description	Required	Notes
order_id	Order ID	N	Refund Order ID
trade_time	Transact time	N
refund_amt	Refund amount	Y	String, "100" for 1.00 dollar.

✅ Query Refund API

☑️ Request Message Parameters

Params Name	Description	Required	Notes
action	Action name	Y	REFUND_STATUS_QUERY
version	Version number	Y	1.0
merchant_id	Merchant ID	Y
data	Encrypted Transaction Data	Y	refer to "Data" below
md5	Message digest	Y

✅ Data(JSON Data, to be encrypted):

Params Name	Description	Required	Notes
order_id	Order ID	N	Refund Order ID

☑️ Response Message Parameters

Params Name	Description	Required	Notes
rsp_code	Response code	Y	Please refer to Appendix B
rsp_msg	Response message	Y
data	Encrypted Transaction Data	Y	refer to "Data" below
md5	Message digest	Y

✅ Data(JSON Data, to be encrypted):

Params Name	Description	Required	Notes
order_id	Order ID	Y	Refund Order ID
order_status	Order status	Y	""success"
refund_amt	Refund amount	Y	String, "100" for 1.00 dollar.