HTTP Status Codes

Code	Status	Explanation
200	OK	Response is correct. The body of the response will include the data requested.
400	Bad Request	There was an error with the request. The body of the response will have more info
401	Unauthorized	Token is invalid. If your API key is wrong a 401 will also be served, so check the response body, it might be that the API_KEY is invalid.
422	Unprocessable Entity	There was an error with the request. The body of the response will have more info. Some possible reasons: - Missing params - Invalid params - The format of data is wrong
429	Too Many Requests	This status indicates that the user has sent too many requests in a given amount of time
503	Service Unavailable	Many reasons, body will include details - An internal error on Authy. - Your application is accessing an API call you don't have access too. - API usage limit. If you reach API usage limits a 503 will be returned, please wait until you can do the call again.