Understand rate limits and how to increase them when using the isend.ai API.The isend.ai API uses response headers to indicate your current rate limit status, following the IETF standard:
The default rate limit is 2 requests per second. Trusted senders may request an increase.
If you exceed the rate limit, the API will return a
429 response error. To review these events, filter for status 429 in your isend.ai logs.
Tips to Avoid Rate Limits
- Implement a queueing system for API calls.
- Throttle or stagger requests to prevent bursts.
- Avoid sending requests concurrently unless necessary.
- Monitor your usage through headers in API responses.