> For the complete documentation index, see [llms.txt](https://prepaidify.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prepaidify.gitbook.io/docs/virtual-card/api-integration/error-code.md).

# Error Code

| Code   | Error Description                                                 |
| ------ | ----------------------------------------------------------------- |
| 0      | Success                                                           |
| 1      | Fail                                                              |
| 100000 | Card issuer error                                                 |
| 200001 | Parameter verification: '% s' cannot be null                      |
| 200002 | Parameter verification: '% s' parameter error% s                  |
| 200003 | the content must be application/json，\[%s]                        |
| 200004 | Request parameter format error requires JSON:% s                  |
| 200005 | Ach access timestamp is not within the validity period (1 minute) |
| 200006 | signature error                                                   |
| 200007 | IP illegal                                                        |
| 200008 | Reverse verification failed                                       |
| 200009 | Counter verification signature error                              |
| 300001 | Duplicate business order number                                   |
| 300002 | Merchant information does not exist                               |
| 300003 | Single amount limit                                               |
| 300004 | Insufficient balance, minimum reserve 1$                          |
| 400000 | Parameter abnormality                                             |
| 400004 | Open API status is abnormal                                       |
| 400005 | Illegal amount                                                    |
| 400006 | Abnormal address length                                           |
| 404005 | Card does not exist                                               |
| 400007 | Currency error                                                    |
| 403009 | User and card mismatch                                            |
| 403010 | Card status is abnormal                                           |
| 403101 | Insufficient account amount                                       |
| 500000 | System abnormality                                                |