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Rate Limiting

To ensure the stability and availability of the SignEngine API, we implement rate limiting.

Policy​

Rate limits are applied per IP address or per User ID.

  • Standard Limit: 100 requests per minute (subject to change).

Handling Rate Limits​

If you exceed the rate limit, the API will respond with:

  • HTTP Status: 429 Too Many Requests
  • Header: Retry-After: <seconds>

Best Practices​

  • Implement exponential backoff in your retry logic.
  • Avoid polling endpoints aggressively; use webhooks where possible.
  • Cache responses for static data.