> ## Documentation Index
> Fetch the complete documentation index at: https://e2b-sandbox-agent-sdk-docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Rate limits

This page describes API and sandbox rate limits of the E2B platform.

## Table of Contents

* [Sandbox lifecycle and management API](#sandbox-lifecycle-and-management-api)
* [Sandbox operations and requests to sandboxes](#sandbox-operations-and-requests-to-sandboxes)
* [Concurrent Sandboxes](#concurrent-sandboxes)
* [Sandbox creation rate](#sandbox-creation-rate)
* [Egress connections](#egress-connections)
* [Reaching limits](#reaching-limits)
* [Increasing and avoiding rate limits](#increasing-and-avoiding-rate-limits)

Here's a limits breakdown table based on the plan:

<table style={{ display: 'inline-table', margin: '0 auto', borderCollapse: 'collapse' }}>
  <thead>
    <tr style={{ background: '#000', color: 'white' }}>
      <th style={{ textAlign: 'left', padding: '8px', color: 'white' }}>Plan</th>
      <th style={{ textAlign: 'center', padding: '8px', color: 'white' }}>Hobby</th>
      <th style={{ textAlign: 'center', padding: '8px', color: 'white' }}>Pro</th>
      <th style={{ textAlign: 'center', padding: '8px', color: 'white' }}>Enterprise</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td style={{ fontWeight: 'bold', padding: '8px' }}>Sandbox lifecycle & management API</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>20,000 / 30s</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>20,000 / 30s</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>Custom</td>
    </tr>

    <tr>
      <td style={{ fontWeight: 'bold', padding: '8px' }}>Sandbox operations</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>40,000 / 60s per IP</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>40,000 / 60s per IP</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>Custom</td>
    </tr>

    <tr>
      <td style={{ fontWeight: 'bold', padding: '8px' }}>Concurrent sandboxes</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>20</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>100 - 1,100<b><sup>\*</sup></b></td>
      <td style={{ textAlign: 'center', padding: '8px' }}>Custom</td>
    </tr>

    <tr>
      <td style={{ fontWeight: 'bold', padding: '8px' }}>Sandbox creation rate</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>1 / sec</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>5 / sec</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>Custom</td>
    </tr>

    <tr>
      <td style={{ fontWeight: 'bold', padding: '8px' }}>Egress connections per sandbox</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>2,500</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>2,500</td>
      <td style={{ textAlign: 'center', padding: '8px' }}>Custom</td>
    </tr>
  </tbody>
</table>

<Note>
  <b><sup>\*</sup></b>Pro plan default is 100 concurrent sandboxes. Higher concurrency of up to 1,100 is available as a separate purchasable add-on.
</Note>

***

## Sandbox lifecycle and management API

**20,000 requests per 30 seconds**

This rate limit applies to lifecycle and management operations such as sandbox create, kill, update, list, and other.

***

## Sandbox operations and requests to sandboxes

**40,000 requests per 60 seconds**

This rate limits applies to operations to/within running sandboxes such as running code, listing files, running commands, etc.
This also includes requests made to custom ports in the sandbox.

<br /> This limit is enforced globally across all sandbox operations from a single IP address.

***

## Concurrent sandboxes

Number of concurrent sandboxes differs based on the pricing tier.

### Hobby tier

**Up to 20 concurrent sandboxes**

### Pro tier

**Starts at 100 concurrent sandboxes**

<Note>
  Can go up to 1,100 with additional [add-ons available for purchase](https://e2b.dev/dashboard/?tab=billing).
</Note>

### Enterprise tier

**Custom limit - 1,100+ concurrent sandboxes**

***

## Sandbox creation rate

This limit controls how quickly you can create new sandboxes.

### Hobby tier

**1 sandbox per second**

### Pro tier

**5 sandboxes per second**

### Enterprise tier

**Custom limit - 5+ sandboxes per second**

***

## Egress connections

**2,500 connections per sandbox**

This limit controls the maximum number of outbound (egress) network connections that can be established from a single sandbox.

## Reaching limits

When you reach the limits of your plan, subsequent requests/function calls will be effectively dropped and return the following:

* the `429 Too Many Requests` HTTP status code (when calling API/sandbox ports directly)
* `RateLimitError` in the JS/TS SDK
* `RateLimitException` in the Python SDK

For example, if you're on the Pro tier (without any concurrency add-ons), you can create up to 100 sandboxes running concurrently.
If the 100 sandboxes are still running, requests for creating new sandboxes from the SDKs (`Sandbox.create()` in JS/TS or `Sandbox.create()` in Python) will fail and return `RateLimitError` or `RateLimitException` respectively.
Once the number of running sandboxes drops below 100, or you purchase a concurrency add-on, you’ll be able to create new sandboxes again.

## Increasing and avoiding rate limits

You can avoid rate limits by [upgrading your plan](https://e2b.dev/dashboard/?tab=billing) or contacting our sales team to discuss your specific requirements and we can provide tailored limits to meet your needs at [enterprise@e2b.dev](mailto:enterprise@e2b.dev).