# Request Status Codes

For all requests, we will return an HTTP status code that indicates a success or the problem that has led to the failure.

A successful request will be returned with status code 200

# API Error Codes

Invalid authentication credentials

You are not allowed to use this endpoint, please upgrade your plan (opens new window).

A requested endpoint does not exist

Validation error, please check the list of validation errors: here

You have hit your rate limit or your monthly limit. For more requests please upgrade your plan (opens new window).

Internal Server Error - let us know: support@numlookupapi.com

The selected country_code is invalid
Should be an ISO Alpha 2 Language Code for localising the ip data