Rate limits

Requests are rate limited per organization. When you exceed the limit, requests return 429 Too Many Requests.

Limit

The default limit is 60 requests per second per organization, averaged over a rolling window. Need more? Contact support@usestring.ai.

429 response

{
  "error": "Rate limit exceeded",
  "message": "Reduce request volume to 60 requests per second on average.",
  "limitRequestsPerSecond": 60
}

The response includes an X-RateLimit-Limit-Rps header with your allowed average requests per second.

Handling 429s

• Back off and retry with exponential backoff and jitter.
• Smooth bursts on the client side so your average stays under the limit.
• Cache results where you can to avoid re-fetching the same URL.