> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cdp.coinbase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# International Exchange Rate Limits Overview

Coinbase International Exchange enforces API rate limits at the individual API key level and at the account level.

<Info>
  API keys can be used simultaneously between trading and view-only sessions.
</Info>

## Summary

#### General Maximums

* Maximum trading API Keys per account: 30
* Maximum non-trading API Keys per account: 30
* Maximum Drop Copy Sessions per account: 5
* Maximum messages per second per account: 4000

#### API Limits

* FIX Connections per API key: 1
* FIX messages per second per API key: 800
* REST requests per second per API Key: 40

## FIX API Rate Limits

* Connections per API key: 1
* Messages per second per API key: 800 (session disconnects at 1000)

<Warning>
  Your FIX session is disconnected if your messages exceed 1000 MPS.
</Warning>

<Tip>
  **Best Practice:**

  Spread messages across FIX sessions. If optimized at 800 msg/s per key with 5 keys, you can send 4000 msg/sec per account.
</Tip>

## REST API Rate Limits

* Requests per second per API Key: 40

### REST Errors

> HTTP Code: 429<br />
> Message: `Rate limit exceeded - Server allows 100 requests per second`

## WebSocket Connection Limits​

* Maximum connection attempts every 30 seconds: 10