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---
title: Rate Limits
description: Composio API rate limits by plan, rate limit headers, and best practices
keywords: [API rate limits, rate limiting, throttling, 429 too many requests, API quotas, request limits]
---
Composio enforces rate limits **per organization** over a fixed one-minute window. Every authenticated endpoint draws from the same budget — tool execution, connected accounts, triggers, and the rest — so the limit below is your organization's total across all API calls.
## Rate limits by plan
| Plan | Rate limit | Window |
|------|------------|--------|
| Starter | 2,000 requests | 1 minute |
| Hobby | 2,000 requests | 1 minute |
| Growth | 10,000 requests | 1 minute |
| Enterprise | Custom | - |
## Rate limit headers
Every response includes headers so you can track usage without guessing:
| Header | Description |
|--------|-------------|
| `X-RateLimit` | Total requests allowed in the current window |
| `X-RateLimit-Remaining` | Requests remaining in the current window |
| `X-RateLimit-Window-Size` | Window size (e.g., `60s` for 60 seconds) |
| `Retry-After` | Seconds until the window resets (only on 429 responses) |
## Rate limit response
When you exceed the rate limit, you'll receive a `429 Too Many Requests` response:
```json
{
"message": "Rate limit exceeded. Limit: 10000 requests per 1 minutes"
}
```
## Best practices
1. **Watch `X-RateLimit-Remaining`** — read it on each response to know how much headroom you have left in the window.
2. **Honor `Retry-After`** — on a `429`, wait the number of seconds it gives you before retrying instead of hammering the endpoint.
3. **Cache what doesn't change** — keep tool definitions and other static data client-side so you don't spend requests re-fetching them.
## Need higher limits?
If you hit these limits regularly, upgrade your plan or [talk to us](https://calendly.com/composiohq/enterprise) about custom limits for your use case.
<Cards>
<Card title="Errors" href="/reference/errors">
Understanding API error responses
</Card>
<Card title="Pricing" href="https://composio.dev/pricing">
Compare plans and limits
</Card>
</Cards>