How to tell whether I’m rate-limited?

If you are subject to rate limiting, your request will return with an HTTP status code “4xx” and an error message. You can adjust according to the error message received.

{
     "Success": false,
     "Error": "The key exceeds the frequency limit(15), and the query server is suspended for 30s",
     "StatusCode": 403
}
{
     "Error": "The key exceeds the frequency limit(15), and the query server is suspended for 30s"
}