Response Codes

Code	Status	Description
200	Sucess	The request was successful, and the complete search engine results page data was retrieved
300	Not collected	Failed to parse/process the response, resulting in no valid data being collected
400	Bad Request	Invalid parameters were passed
401	Unauthorized	Authentication failed; please check the token validity
403	Forbidden	The target server refused to fulfill the request
404	Not Found	The requested resource does not exist
429	Too Many Requests	The request rate exceeded the API limit
500	Internal Server Error	An error occurred on the server
504	Timeout Error	The proxy server timed out while waiting for a response from the upstream server