# Instructions for Special Status Code
The status codes and responses with specific meanings are as follows:
| Status Code | Response Body | Description |
|---|---|---|
| 401 | {"message":"No authenticate credentials found"} | The request does not carry authorization certificates. |
| 403 | {"message":"Invalid authentication credentials"} | Invalid authentication certificate. |
| 404 | {"message":"no route and no API found with those values"} | The API accessed does not exist. |
| 429 | {"message":" API rate limit exceeded"} | The number of requests exceeds the API traffic control limit. |
