Error Code Description Follow Up
400 Bad request due to client error Do not retry. Fix the issues specified in causes
401 Unauthorized Do not retry. Verify your API key is valid and has the correct permissions (See overview)
429 Too many requests Retry after at least 1 second
500 Internal server error Retry 3 times with increasing pause between retries of at least 5, 10, and 15 seconds
503 Service unavailable Retry 3 times with increasing pause between retries of at least 5, 10, and 15 seconds