HTTP 400 Bad Request - Invalid API request. ( i.e. a required parameter was missing or contained an invalid parameter value.
HTTP 401 UNAUTHORIZED - Missing API token, invalid API token, or request limit exceed.
HTTP 403 Forbidden - API key invalid or missing.
HTTP 404 Not Found - The API endpoint does not exist.
HTTP 500 Internal Server Error - An unexpected error condition occurred. (Please contact support if you see this error message. Provide the conditions under which this error occurred, and what you were doing at the time.)
HTTP 503 Service Unavailable - The API service is down for temporary maintenance. Try again in a while.
What are the usage limits?
Basic Plan - is limited to 10,000 API calls per day.
Premium Plan - is limited to 100,000 API calls per day.