SpeedVitals uses conventional HTTP response codes to indicate the success or failure of an API request.

In general, Codes in the 2xx range indicate success. Codes in the 4xx range indicate an error that failed given the information provided (e.g., a required parameter was omitted, lighthouse test failed, etc.). Codes in the 5xx range indicate an error with SpeedVitals servers (these are rare).

List of common errors codes:

HTTP Status Description
401 Unauthorized
429 Rate Limit Exceeded
500 Internal Server Error
502 Server Under Maintenance