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Text Content

Products
Swap
 API

Embed swaps in your app


Gasless
 API

Simplify DeFi with gasless swaps


Trade Analytics
 API

Unlock powerful trade insights


Token
 API

Upcoming

Curate tokens

Case Studies
Resources
Blog

Latest 0x news


Industry report

Web3 industry insights

Developers
Documentation

Full documentation to start integrating

Get Started

Swap APIGasless  API

Guides

Build a token swapMonetize your appWorking in Testnets

Video tutorials

Swap API



Gasless API



Trade Insights

API StatusAPI ReferenceHelp Center
Pricing
Contact usGo to dashboard



Products
Swap
 API

Embed swaps in your app


Gasless
 API

Simplify DeFi with gasless swaps


Trade Analytics
 API

Unlock powerful trade insights


Token
 API

Upcoming

Curate tokens

Case Studies
Resources
Blog

Latest 0x news


Industry report

Web3 industry insights

Developers
Documentation

Full documentation to start integrating

Get Started

SwapGasless  API

Guides

Build a token swapMonetize your appWorking in Testnets

Video tutorials

Swap API



Gasless API



Trade Insights

Quick links

API StatusAPI ReferenceHelp Center
Pricing
Contact usDashboard

NEW
0x v2 Pricing Engine is live! — Best prices & trade execution


EMBED SWAPS


IN YOUR


ONCHAIN APP


SMART WALLET


PORTFOLIO TRACKER


DAO TOOLING

ACCESS 7+ MILLION TOKENS WITH LIQUIDITY FROM 130+ EXCHANGES, WITH THE BEST
PRICES AND THE SMOOTHEST TRADING EXPERIENCE.

Start for free




BATTLE-TESTED APIS FOR YOUR ONCHAIN APPS

Blazing fast!


<500MS

Median Response Time




99.82%

Uptime

Historical uptime for 0x services



Lowest in DeFi


4.4%

Revert Rates




521+

Projects powered by 0x APIs

See case studies ↗


71M+

Transactions




148B+

Volume USD




8M+

Unique wallets



Swap

API


TURN ANY APP INTO A TRADING PLATFORM

Power crypto trading for millions of tokens with the deepest aggregated
liquidity.

Available on




Gasless

API


SAY GOODBYE TO “INSUFFICIENT GAS”

Never lose a user trade because of gas. Remove the biggest challenge in the
trading funnel.

Available on



for thousands of tokens




MODULAR DEFI
SOLUTIONS

Composable DeFi building blocks designed to work seamlessly together.




KEEP TRACK OF WHAT
MATTERS TO YOUR BUSINESS

TRACK REVENUE AND USAGE TRENDS

Track key trading and revenue metrics with in-depth charts and data from onchain
trades.

DEBUG FASTER

Quickly review API usage and spot spikes in errors.

SPIN UP AND MANAGE APPS

Create new apps in minutes and manage them all from your dashboard.



DATA-DRIVEN INSIGHTS AND ANALYTICS

Gain actionable insights into user trading behavior in real-time.

AVG USERS SWAPPED 3 TIMES THIS MONTH

AVG USERS SWAPPED 3 TIMES THIS MONTH

AVG USERS SWAPPED 3 TIMES THIS MONTH

FLEXIBILITY BUILT-IN

Add new products to each one of your apps with just one-click.



SELF MANAGE API KEYS

Instantly generate and manage API keys directly from the dashboard.



SEAMLESS INTEGRATION

Build your app in days, not months
with seamless app integration.




HERE FOR THE TECH, BUT ALSO
FOR THE DEV EXPERIENCE

TOP-TIER ROUTING

Best-in-class liquidity aggregation and smart order routing. Try it live on
Matcha.

DEV FRIENDLY

Fastest way to tap into 130+ exchanges.



BATTLE-TESTED SINCE 2017

Secure and audited DEX infrastructure with 99.82% uptime.


INTEGRATE IN 5 MINUTES OR LESS

Embed crypto trading in your app with just a few lines of code.

Swap

Gasless

Play


const main = async () => {

	 const sellAmount = parseUnits("1000", await usdc.read.decimals());

  	// fetch quote
  	const quoteParams = new URLSearchParams({
  		chainId: client.chain.id.toString(),
    	sellToken: usdc.address,
    	buyToken: weth.address,
    	sellAmount: sellAmount.toString(),
      taker: client.account.address,
    });

  const quoteResponse = await fetch(
    "https://api.0x.org/swap/permit2/quote?" + quoteParams.toString(),
    {
      headers,
    }
  );

  const quote = await quoteResponse.json();
  console.log("Quote to swap 1000 USDC for WETH: ", quote);

}
main();


Copy

Play


const main = async () => {

	 const sellAmount = parseUnits("1000", await usdc.read.decimals());

  	// fetch quote
  	const quoteParams = new URLSearchParams({
  		chainId: client.chain.id.toString(),
    	sellToken: usdc.address,
    	buyToken: weth.address,
    	sellAmount: sellAmount.toString(),
      taker: client.account.address,
    });

  const quoteResponse = await fetch(
    "http://api.0x.org/gasless/quote?" + quoteParams.toString(),
    {
      headers,
    }
  );

  const quote = await quoteResponse.json();
  console.log("Quote to swap 1000 USDC for WETH: ", quote);

}
main();


Copy

DEVELOPER GUIDES



Build with Swap API

Example ERC-20 swap app built on Next.js with Swap API.

Code Examples

A collection of 0x API code examples - copy, paste, go.

Monetize your app

A guide on monetization options using 0x Swap API.

Build with Gasless API

Build a gasless swap app on Next.js with 0x Gasless API

Swap API

Power crypto trading in your app with Swap API

Build with Swap API

Example ERC-20 swap app built on Next.js with Swap API.

Code Examples

A collection of 0x API code examples - copy, paste, go.

Monetize your app

A guide on monetization options using 0x Swap API.

Build with Gasless API

Build a gasless swap app on Next.js with 0x Gasless API

Swap API

Power crypto trading in your app with Swap API

Build with Swap API

Example ERC-20 swap app built on Next.js with Swap API.

Code Examples

A collection of 0x API code examples - copy, paste, go.

Monetize your app

A guide on monetization options using 0x Swap API.

Build with Gasless API

Build a gasless swap app on Next.js with 0x Gasless API

Swap API

Power crypto trading in your app with Swap API

POWERED BY 0X

MetaMask

DeFi Saver



DefiLlama



Coinbase Wallet

Matcha



Phantom




0X HAS ONE OF THE MOST EXTENSIVE AND RELIABLE DEX API SERVICES IN THE WEB3
ECOSYSTEM, BACKED BY A PROFESSIONAL AND RESPONSIVE TEAM.

Coinbase Wallet

Sid Coelho-Prabhu, Sr. Director of
Product at Coinbase

Read case study ↗


LOVED BY OUR CUSTOMERS
AND THEIR USERS ALIKE

LOVED BY



Zerion

Self-custody wallet

Powering the first mobile-friendly, multi-chain wallet that's natively
compatible with every dapp.

Defi Saver

DeFi Management Tool

Automation, powered by 0x, repaid more than $331m of debt during the biggest
market crash of 2021.

Phuture

Index fund

Phuture improves capital efficiency and performance of onchain index funds

Matcha

DEX aggregator

Matcha increases daily active traders by 20% with the launch of Auto

Coinbase

Self-custody wallet

Coinbase Wallet achieves major UX unlock with gasless swaps

Definitive

Trading platform

Definitive brings advanced onchain execution to traders

Zerion

Self-custody wallet

Powering the first mobile-friendly, multi-chain wallet that's natively
compatible with every dapp.

Defi Saver

DeFi Management Tool

Automation, powered by 0x, repaid more than $331m of debt during the biggest
market crash of 2021.

Phuture

Index fund

Phuture improves capital efficiency and performance of onchain index funds

Matcha

DEX aggregator

Matcha increases daily active traders by 20% with the launch of Auto

Coinbase

Self-custody wallet

Coinbase Wallet achieves major UX unlock with gasless swaps

Definitive

Trading platform

Definitive brings advanced onchain execution to traders

Zerion

Self-custody wallet

Powering the first mobile-friendly, multi-chain wallet that's natively
compatible with every dapp.

Defi Saver

DeFi Management Tool

Automation, powered by 0x, repaid more than $331m of debt during the biggest
market crash of 2021.

Phuture

Index fund

Phuture improves capital efficiency and performance of onchain index funds

Matcha

DEX aggregator

Matcha increases daily active traders by 20% with the launch of Auto

Coinbase

Self-custody wallet

Coinbase Wallet achieves major UX unlock with gasless swaps





FREQUENTLY ASKED QUESTIONS

HOW DO I GET STARTED?

Get started in less than five minutes! To get started, simply create an account
on the 0x Dashboard, choose a plan, set up your app, and generate your API keys.

HOW CAN I MONETIZE MY APP WITH 0X?

0x offers two options for monetizing your order flow so you can build a
sustainable Web3 business. You can set a percentage fee and a fee recipient on
trades initiated within your application via Swap API requests. Additionally,
you may take the positive slippage generated from your swaps. You can find
details on both approaches in our API references.

WHAT CHAINS DOES 0X SUPPORT?

0x supports Ethereum, Base, Arbitrum, Optimism, Polygon, Binance Smart Chain,
Avalanche, Scroll, Linea and Blast.

WHAT PLANS DOES 0X OFFER?

We offer two transparent, flexible tiers for Web3 businesses of all sizes. You
can get started with them here. If you are a high volume app or have a unique
business model, please contact us to discuss a custom plan.

Subscribe to our newsletter for the latest alpha
You are on the list!
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Product
 * Swap API
 * Gasless API

Developers
 * Documentation ↗
 * Help ↗
 * Stack Exchange ↗
 * Contact Us

Company
 * Terms of Service
 * Privacy Notice
 * Cookie Notice
 * API License Agreement
 * Careers
 * Press
 * Media Kit
 * 0x Protocol

Community
 * Twitter / X
 * Warpcast
 * Github
 * Reddit



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