# Reference

## Error Codes

| error_code | error_message |
| ---------- | ------------- |
| 10000 | Missing parameter. |
| 10001 | API key not found. |
| 10002 | API key disabled. |
| 10003 | API key expired. |
| 10004 | Insufficient credits. |
| 10005 | Unknown error. |
| 10006 | Invalid email syntax. |

## HTTP Error Codes

| error_code | HTTP Error |
| ---------- | ------------- |
| 10000 | 400 |
| 10001 | 401 |
| 10002 | 401 |
| 10003 | 401 |
| 10004 | 401 |
| 10005 | 500 |
| 10006 | 400 |