| 0 | Request succeeded |
| 1001 | Request failed, used for unclassified errors, the “msg” field displays specific error information |
| 1002 | File size exceeded maximum limit(15M) |
| 4001 | Insufficient credits |
| 4002 | File does not exist |
| 5002 | Invalid api key |
| 5003 | Image processing failed |
| 5004 | Picture download failed |
| 5005 | Too many requests in the queue, please wait |
| 5006 | Invalid base64 encoded string |
| 5007 | The base64 encoded string cannot be correctly recognized as a picture. Some java libraries have problem with the base64 line feed symbol (‘\n’), and it needs to be removed |
| 5008 | Cannot recognize input image correctly |