{
"mch_id": "2020042200284052",
"sub_mchid": "302210180000021525",
"refund_seqno": "string",
"deal_result": "SUCCESS",
"supplement_info": {
"supplement_date": ""
}
}curl --location 'https://openapi.lianlianpay.com/mch/v1/accp/txn/refund-accept' \
--header 'Signature-Data;' \
--header 'Signature-Type: RSA' \
--header 'mch_id: 2020042200284052' \
--header 'sp_no;' \
--header 'timestamp: 20221109111509' \
--header 'Content-Type: application/json;charset=utf-8' \
--data '{
"mch_id": "2020042200284052",
"sub_mchid": "302210180000021525",
"refund_seqno": "string",
"deal_result": "SUCCESS",
"supplement_info": {
"supplement_date": ""
}
}'{
"ret_code": "stri",
"ret_msg": "string",
"mch_id": "string",
"sub_mchid": "string",
"txn_seqno": "string",
"refund_amount": "string",
"plaltform_txno": {
"platform_txno": "string"
}
}