Rate Limits
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Why do we have rate limits?​
Rate limiting is used by the API to prevent abuse and ensure a reliable experience for all consumers.
What are the rate limits for the 0x APIs?​
The current limit for the Free Tier of our APIs is approximately 1 Request Per Second (RPS) and 200K API calls per month globally. You can view rate limits for all tiers on the pricing page.
How are rates calculated?​
The following is shared to help your team to maximize your app setup. The example below uses the 1 RPS Free Tier limit; however, the same logic applies to all tiers.
- The 1 RPS is 1 call per chain (aka per endpoint)
- The 1 RPS is per fixed 1 second window; in other words, the API has fixed 1 second windows and will allow 1 call per chain any where within that 1 second window
- You can view your current usage and limits on the 0x API Dashboard.