Rate Limits
Understanding API rate limits and quotas
Rate Limit Tiers
| Tier | Requests/Min | Monthly Quota | Concurrent Requests |
|---|---|---|---|
| Free | 10 | 100 PDFs | 2 |
| Starter | 60 | 1,000 PDFs | 10 |
| Pro | 300 | 10,000 PDFs | 50 |
| Enterprise | Custom | Unlimited | Unlimited |
Response Headers
All API responses include rate limit information in headers:
X-RateLimit-Limit: 60 X-RateLimit-Remaining: 45 X-RateLimit-Reset: 1698765432
Best Practices
- Implement exponential backoff when rate limited
- Use batch generation for multiple PDFs
- Cache generated PDFs to avoid regeneration
- Monitor rate limit headers and adjust request frequency