[metadata]
description: Developers’ one-stop shop to enable faster crypto trading, better prices, and superior UX. Get started now at 0x.org.
og:description: Developers’ one-stop shop to enable faster crypto trading, better prices, and superior UX. Get started now at 0x.org.
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og:title: 0x | Powerful APIs to build financial apps on crypto rails
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twitter:description: Developers’ one-stop shop to enable faster crypto trading, better prices, and superior UX. Get started now at 0x.org.
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twitter:title: 0x | Powerful APIs to build financial apps on crypto rails
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[document-links]
/
/case-studies
/products/cross-chain
/products/gasless
/products/swap
0x Protocol: https://www.0xprotocol.org/
0x services: https://0x.statuspal.io/
API License Agreement: /legal/api-license-agreement
API Reference: https://0x.org/docs/api
API Status: https://0x.statuspal.io/
Bankr AI agent Bankr enables anyone to trade directly in the social feed: https://0x.org/case-studies/bankr
Blog Latest 0x news: /blog
Build a token swap: https://0x.org/docs/0x-swap-api/guides/build-token-swap-dapp-nextjs
Build a token swap: https://docs.0x.org/docs/0x-swap-api/guides/build-token-swap-dapp-nextjs
Build with Gasless API Build a gasless swap app on Next.js with 0x Gasless API: https://0x.org/docs/gasless-api/guides/get-started-with-gasless-api
Build with Swap API Example ERC-20 swap app built on Next.js with Swap API.: https://0x.org/docs/0x-swap-api/guides/build-token-swap-dapp-nextjs
Burner Self-custody wallet Burner reinvents the crypto gifting experience: https://0x.org/case-studies/burner
Careers: /careers
Case Studies: /case-studies
Code Examples A collection of 0x API code examples - copy, paste, go.: https://github.com/0xProject/0x-examples
Contact Us: /contact
Contact us: /contact
Cookie Notice: /legal/cookie-notice
Cross-Chain API Any token, any chain: /products/cross-chain
Cross-Chain API: /products/cross-chain
Cross-Chain API: https://docs.0x.org/docs/cross-chain-api/introduction
Dashboard: https://dashboard.0x.org
Definitive Trading platform Definitive brings advanced onchain execution to traders: https://0x.org/case-studies/definitive
Discord: https://discord.com/invite/official0x
Documentation Full documentation to start integrating: https://0x.org/docs
Documentation ↗: https://0x.org/docs
Enterprise Support: /enterprise/support
Exchanges Bring onchain markets to your exchange: /solution/cex
Execution & Compliance: /enterprise/execution-compliance
Explore Enterprise: /enterprise/why-0x
Gasless API Simplify DeFi with gasless swaps: /products/gasless
Gasless API: /products/gasless
Gasless API: https://www.youtube.com/watch?v=0d0tVwJCbiw&list=PLN51Tjs40v5MpBMfGxxiML9x2sd0uD94D&index=5&t=796s
Github: https://github.com/0xProject
Give feedback: https://zeroex.userjot.com/board/all
Go to dashboard: https://dashboard.0x.org/create-account
Help Center: https://help.0x.org
Help Center: https://help.0x.org/en/
Help ↗: https://help.0x.org/
Interface SocialFi Interface experiments with novel swap experiences and monetization in SocialFi: https://0x.org/case-studies/interface
Liquifi Token management Liquifi simplifies token vesting and lockups: https://0x.org/case-studies/liquifi
Matcha DEX aggregator Matcha delivers the best price on 93% of trades with 0x v2: https://0x.org/case-studies/matcha-v2
Media Kit: /media-kit
Monetization across DeFi: /reports/monetization-across-defi-report
Monetization: /enterprise/monetization
Monetize your app A guide on monetization options using 0x Swap API.: https://0x.org/docs/0x-swap-api/guides/monetize-your-app-using-swap
Monetize your app: https://0x.org/docs/0x-swap-api/guides/monetize-your-app-using-swap
Monetize your app: https://docs.0x.org/docs/0x-swap-api/guides/monetize-your-app-using-swap
Moxie AI agent Moxie launches onchain AI assistant with automated trading: https://0x.org/case-studies/moxie
Payments Coming soon Settle payments onchain: /solution/payments
Phuture Index fund Phuture improves capital efficiency and performance of onchain index funds: https://0x.org/case-studies/phuture
Play: https://github.com/0xProject/0x-examples#evm-swap-api
Powered by 0x: /case-studies
Press: /press
Pricing: /pricing
Privacy Notice: /legal/privacy-notice
RWAs Coming soon Compliant real-world assets: /solution/rwas
Read the Coinbase case study: https://0x.org/case-studies/coinbase/
Read the docs →: https://0x.org/docs
Reddit: https://www.reddit.com/r/0xProject/
Reliability & Metrics: /enterprise/reliability
Security by Design: /enterprise/security-by-design
See case studies ↗: /case-studies
Solana API: https://0x.org/products/solana
Stablecoins Coming soon Deep liquidity for stablecoins: /solution/stablecoins
Stack Exchange ↗: https://ethereum.stackexchange.com/questions/tagged/0x
Start for free: https://dashboard.0x.org/create-account?utm_source=0x&utm_medium=home&utm_campaign=start
Summary: /enterprise/summary
Swap API EVM Embed swaps in your app: /products/swap
Swap API Power crypto trading in your app with Swap API: https://0x.org/docs/0x-swap-api/introduction
Swap API Solana Powerful swaps, now on Solana: /products/solana
Swap API: /products/swap
Swap API: https://docs.0x.org/docs/0x-swap-api/introduction
Swap API: https://docs.0x.org/evm/0x-swap-api/introduction
Swap API: https://docs.0x.org/svm/solana-swap-api/introduction
Swap API: https://www.youtube.com/watch?v=P1ECx9zKQiU&list=PLN51Tjs40v5MpBMfGxxiML9x2sd0uD94D&index=7&t=37s
Terms of Service: /legal/terms-of-service
The Onchain Trading Opportunity: /reports/dex-opportunity-report
The SocialFi Shift: /reports/the-socialfi-shift
Trade Analytics API Unlock powerful trade insights: /products/trade-analytics
Trade Analytics API: /products/trade-analytics
Trade Insights: https://www.youtube.com/watch?v=yGy89Xu0KKY&list=PLN51Tjs40v5MpBMfGxxiML9x2sd0uD94D&index=2&t=233s
Trust Self-custody wallet Trust Wallet reduces user pain point with buy/sell tax support: https://0x.org/case-studies/trust
Try it live on Matcha: https://matcha.xyz
Twitter / X: https://x.com/0xProject
Wallets Coming soon Embed swaps in your wallet: /solution/wallets
Wallets Embed swaps in your wallet: /solution/wallets-old
Warpcast: https://warpcast.com/0xproject
Why 0x?: /enterprise/why-0x
Working in Testnets: https://0x.org/docs/1.0/0x-swap-api/guides/working-in-the-testnet
Zora SocialFi Empowering a new creator economy with Zora and Base App: https://0x.org/case-studies/zora
here: https://dashboard.0x.org/create-account
https://0x.org/case-studies/coinbase
https://0x.org/case-studies/coinbase/
https://0x.statuspal.io/

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[content]
0x | Powerful APIs to build financial apps on crypto rails
Products
Swap
API
EVM
Embed swaps in your app
Swap
API
Solana
Powerful swaps, now on Solana
Cross-Chain
API
Any token, any chain
Gasless
API
Simplify DeFi with gasless swaps
Trade Analytics
API
Unlock powerful trade insights
Use Cases
Exchanges
Bring onchain markets to your exchange
Wallets
Coming soon
Embed swaps in your wallet
Payments
Coming soon
Settle payments onchain
Stablecoins
Coming soon
Deep liquidity for stablecoins
RWAs
Coming soon
Compliant real-world assets
Enterprise
How to assess a provider
Why 0x?
Security by Design
Execution & Compliance
Monetization
Enterprise Support
Reliability & Metrics
Summary
Solutions
Wallets
Embed swaps in your wallet
Developers
Documentation
Full documentation to start integrating
Get Started
Swap API
EVM
Swap API
Solana
Cross-Chain API
Guides
Build a token swap
Monetize your app
Video tutorials
Swap API
Gasless API
Trade Insights
API Status
API Reference
Help Center
Case Studies
Pricing
Resources
Blog
Latest 0x news
Industry reports
The SocialFi Shift
Monetization across DeFi
The Onchain Trading Opportunity
Contact us
Go to dashboard
Coinbase Case Study:
0x as a strategic partner for Coinbase
Products
Swap
API
EVM
Embed swaps in your app
Swap
API
Solana
Powerful swaps, now on Solana
Cross-Chain
API
Any token, any chain
Gasless
API
Simplify DeFi with gasless swaps
Trade Analytics
API
Unlock powerful trade insights
Use Cases
Exchanges
Bring onchain markets to your exchange
Wallets
Coming soon
Embed swaps in your wallet
Payments
Coming soon
Settle payments onchain
Stablecoins
Coming soon
Deep liquidity for stablecoins
RWAs
Coming soon
Compliant real-world assets
Enterprise
How to assess a provider
Why 0x?
Security by Design
Execution & Compliance
Monetization
Enterprise Support
Reliability & Metrics
Summary
Developers
Documentation
Full documentation to start integrating
Get Started
Swap API
Cross-Chain API
Solana API
Guides
Build a token swap
Monetize your app
Working in Testnets
Video tutorials
Swap API
Gasless API
Trade Insights
Quick links
API Status
API Reference
Help Center
Case Studies
Pricing
Resources
Blog
Latest 0x news
Industry reports
The SocialFi Shift
Monetization across DeFi
The Onchain Trading Opportunity
Solutions
Wallets
Embed swaps in your wallet
Contact us
Dashboard
How value flows freely
Onchain routing infrastructure purpose-built for digital assets. Settle payments, subscriptions, and trades on your exchange, wallet, app, or service.
/ FOR DEVELOPERS
Build your product
Get instant access to Swap, Gasless and Cross-Chain APIs and go live in minutes.
Start for free
/ FOR INSTITUTIONS
Scale your enterprise
Make the right choice for digital assets.
US-based, SOC2 certified, 24/7 support.
Explore Enterprise
$200B+ settled · 500+ companies · 211M+ transactions · 21 chains
Read the docs →
Battle-tested APIs for
your onchain needs
Blazing fast!
<250
ms
Median Response Time
99.92
%
Uptime
Historical uptime for
0x services
Lowest in DeFi
4.4
%
Revert Rates
521
+
Projects powered by 0x APIs
See case studies ↗
211M
+
Transactions
180B
+
Volume USD
14M
+
Unique wallets
Swap
API
How value moves onchain
Settle trades and payments across 45+ million tokens and 21 chains with deep liquidity from 370+ sources.
Available on
Cross-Chain
API
One resilient API for cross-chain
Keep users moving across chains with fast bridging that feels like a swap.
25 chains, 12 bridges, 1 integration
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
Modular onchain solutions
Composable building blocks designed to work seamlessly together, from one leading provider.
Keep track of what
matters to your business
Track revenue and usage trends
Monitor key trading and revenue metrics with in-depth charts and data from onchain transactions.
Debug faster
Quickly review API usage and spot spikes in errors.
Spin up and manage apps
Create new products in minutes and manage them all from your dashboard.
Data-driven insights and analytics
Gain actionable insights into user 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 features 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 product in days, not months with a streamlined process.
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 370+ exchanges.
Battle-tested since 2017
Secure and audited DEX infrastructure with 99.92% uptime.
Integrate in 5 minutes or less
Embed crypto settlement in your product 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/allowance-holder/quote" + quoteParams.toString(), { headers, } ); const quote = await quoteResponse.json(); console.log("Quote to swap 1000 USDC for WETH: ", quote); } main();
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();
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.
Swap API
Power crypto trading in your app with Swap API
Build with Gasless API
Build a gasless swap app on Next.js with 0x Gasless 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 the Coinbase case study
Loved by our customers
and their users alike
Delivering the onchain swap infrastructure running Coinbase
Discover how 0x has become a major strategic partner for Coinbase, powering an end-to-end onchain trading experience with core infrastructure across business lines - from DEX trading to the Coinbase Developer Platform.
Highlights
780k
Wallets trading
$23b
In onchain volume
293ms
Best observed response time
Loved by
Bankr
AI agent
Bankr enables anyone to trade directly in the social feed
Burner
Self-custody wallet
Burner reinvents the crypto gifting experience
Definitive
Trading platform
Definitive brings advanced onchain execution to traders
Interface
SocialFi
Interface experiments with novel swap experiences and monetization in SocialFi
Liquifi
Token management
Liquifi simplifies token vesting and lockups
Matcha
DEX aggregator
Matcha delivers the best price on 93% of trades with 0x v2
Moxie
AI agent
Moxie launches onchain AI assistant with automated trading
Phuture
Index fund
Phuture improves capital efficiency and performance of onchain index funds
Trust
Self-custody wallet
Trust Wallet reduces user pain point with buy/sell tax support
Zora
SocialFi
Empowering a new creator economy with Zora and Base App
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, Blast, Mode, Mantle, Unichain, Berachain, Ink, Plasma, Sonic and Monad.
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!
Oops! Something went wrong.
Product
Swap API
Cross-Chain API
Gasless API
Trade Analytics API
Developers
Documentation ↗
Help ↗
Stack Exchange ↗
Contact Us
Give feedback
Company
Terms of Service
Privacy Notice
Cookie Notice
API License Agreement
Careers
Press
Media Kit
0x Protocol
Community
Twitter / X
Warpcast
Github
Reddit
Discord
© ZeroEx Holdings, Inc. All rights reserved.
