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Introduction

Enable limit orders in your app or take liquidity directly from the 0x Orderbook.

0x API has an Orderbook on the following chains:

  • Ethereum
  • BSCs
  • Polygon

In previous versions of 0x API prior to 0x Protocol v4, this functionality was exposed by the "SRA" endpoint. Previous docs: https://github.com/0xProject/standard-relayer-api. Note that 0x Protocol is an open-sourced project that is separate and not maintained by 0x.

Get Started​

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To create an account, and get your live API keys to access the Orderbook API, visit the 0x Dashboard.

This section contains the following docs and guides

API References

Code Examples​

0x Starter Project includes with a number of scenarios using the 0x v4 protocol that can be run from the command-line: