| Error code | Description |
|---|---|
| EH0100001 | requestId format error |
| EH0100002 | requestId length exceeded |
| EH0100003 | requestId is empty |
| EH0100004 | orderAmount is empty |
| EH0100005 | orderAmount is error |
| EH0100006 | orderCurrency is empty |
| EH0100007 | orderCurrency is error |
| EH0100008 | notifyUrl is empty |
| EH0100009 | notifyUrl format error |
| EH0100010 | terminalNo is empty |
| EH0100011 | terminalNo is error |
| EH0100012 | language format error |
| EH0100013 | remark length exceeded |
| EH0100014 | Daily limit exceeded |
| EH0100015 | Pre-authorization confirmation action error |
| EH0100016 | Pre-authorization record does not exist |
| EH0100017 | Order status is final |
| EH0100019 | requestId is submitted repeatedly |
| EH0100020 | Merchant status is abnormal |
| EH0100021 | Merchant contract does not exist |
| EH0100022 | The request IP is not in the merchant whitelist configuration |
| EH0100023 | Product not configured |
| EH0100024 | This interface is not supported |
| EH0100025 | terminalNo does not exist |
| EH0100026 | Terminal status is incorrect |
| EH0100027 | Terminal request mode is not supported |
| EH0100028 | Rate not configured |
| EH0100029 | lastName format error |
| EH0100030 | firstName format error |
| EH0100031 | cardNo error |
| EH0100032 | expireM and expireY format error |
| EH0100033 | expireM and expireY is empty |
| EH0100034 | Card validity period is less than current time |
| EH0100035 | Order IP was Wrong |
| EH0100036 | Order IP was empty |
| EH0100037 | CVV format error |
| EH0100038 | Street format error |
| EH0100039 | Country format error |
| EH0100040 | Country and state do not match |
| EH0100041 | Post code format error |
| EH0100042 | Phone format error |
| EH0100044 | City format error |
| EH0100045 | Email format error |
| EH0100046 | State format error |
| EH0100047 | Pre-authorization confirmation amount is abnormal |
| EH0100048 | Invalid pre-authorization confirmation operation |
| EH0100049 | Payment method is not available |
| EH0100050 | callbackUrl format error |
| EH0100051 | requestId record does not exist |
| EH0100052 | System exception |
| EH0100053 | Refund request does not comply with the rules |
| EH0100054 | Merchant does not support refunds |
| EH0100055 | deliveryId format error |
| EH0100056 | Order timeout, invalid |
| EH0100057 | Exceed times to orders, invalid |