"status_code"| Code | Explain |
|---|---|
| R001 | User name not found |
| R002 | Bad password |
| R003 | User is inactive |
| R004 | No cars found |
| R005 | No sold items |
| R006 | Bad date format - from |
| R007 | Bad date format - to |
| R008 | Too many connections |
| R009 | Empty user name |
| R010 | Empty user password |
| R011 | Empty user token |
| R012 | Wrong user token |
| R013 | Wrong IP address |
| R200 | OK |
| R202 | OK with a warning |
| R400 | Bad data |
| R404 | Not found |
| R500 | System error |