If you start seeing many capacity rate limit errors, it would be advisable to build a queue on your end to throttle the requests.Ī business starts in Tier 1 when it registers its phone number. When you hit either of these capacity rate limiting scenarios, you should halt any further requests and slow the pace of your API requests. At this point, the endpoint will start returning a 503 error.
When the number of requests per second limit is reached, the endpoint will start returning a 429 error code.
Two forms of capacity rate limiting are currently supported: Capacity rate limiting is imposed on each available API endpoint and will return the appropriate HTTPS error codes (e.g., 429, 503, etc.) depending on the state of the system.
