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0x

0x

0x provides battle-tested APIs to embed fast, gasless, and deeply liquid crypto trading into decentralized applications.

originSan Francisco, USA
users10m+
launched2017
chains
+9
Submit or update a tool
Audience
๐Ÿ’ธDeFi Developers
๐Ÿ› ๏ธInfrastructure Developers
๐Ÿ—ณ๏ธDAO Tooling Developers
๐Ÿ”—Tokenization Platforms
websitexlinkedingithub

Overview

0x is a comprehensive developer platform designed to enable fast, efficient, and user-friendly decentralized crypto trading. It offers a suite of APIs including the Swap API, Gasless API, and Trade Analytics API, allowing developers to embed token swaps, enable gasless transactions, and access detailed trade insights within their applications. The platform aggregates liquidity from over 130 decentralized exchanges, providing access to more than 7 million tokens and ensuring competitive pricing and deep liquidity for users. 0x supports multiple EVM-compatible chains such as Ethereum, Polygon, Binance Smart Chain, Avalanche, Arbitrum, Optimism, and others, making it a versatile choice for multi-chain DeFi applications.

The platform is built for developers and product teams looking to integrate decentralized trading quickly and reliably. Its modular architecture allows seamless integration with minimal setup, often achievable in under five minutes. 0x also offers monetization options for apps by enabling developers to earn fees on order flow or capture positive slippage, supporting sustainable business models. The Gasless API addresses a common user friction point by removing the need for users to hold gas tokens, improving conversion and UX.

What sets 0x apart is its battle-tested infrastructure with a median response time under 250ms and a historical uptime of 99.92%, making it one of the most reliable DEX API providers. Its extensive liquidity aggregation and smart order routing optimize trade execution prices. The platform is supported by a responsive developer experience with comprehensive documentation, code examples, video tutorials, and a dashboard for managing API keys and monitoring usage. Notable integrations include Coinbase Wallet, Matcha DEX aggregator, Trust Wallet, and various innovative SocialFi and AI-powered trading platforms. Developers can get started by creating an account on the 0x Dashboard, generating API keys, and following detailed guides to embed swaps or build gasless swap apps.

The Problem

Developers face challenges integrating decentralized token swaps with deep liquidity, fast execution, and smooth user experience. Users often abandon trades due to gas fee complexities or poor pricing. Additionally, tracking trade analytics and monetizing order flow can be difficult without specialized infrastructure.

Fragmented liquidity across multiple DEXs
User drop-off caused by gas fee requirements
Lack of actionable trade analytics for app optimization

The Solution

Key Features

Swap API

Embed token swap functionality with simple REST endpoints and smart order routing.

Gasless API

Build gasless swap experiences that remove the need for users to hold gas tokens.

Trade Analytics API

Access real-time and historical trade data to analyze user behavior and app performance.

Multi-chain support

Supports Ethereum, Base, Arbitrum, Optimism, Polygon, Binance Smart Chain, Avalanche, Scroll, Linea, Blast, Mode, and Mantle.

Developer dashboard

Manage API keys, monitor usage, track revenue, and debug issues from a centralized interface.

Key Strengths

Deep liquidity aggregation
Gasless transaction support
Fast and reliable APIs
Monetization options

How Developers Use 0x

๐Ÿ‘›

Embedding token swaps in DeFi wallets

Wallet developers integrate 0x Swap API to offer users seamless token trading with deep liquidity and best prices.

โšก

Building gasless swap dapps

Developers use the Gasless API to create frictionless DeFi experiences that eliminate gas fee barriers for users.

๐Ÿ“Š

Analyzing trading activity for product optimization

Product teams leverage the Trade Analytics API to gain insights into user trading patterns and optimize app features.

Works Well With
Avalanche
Avalanche
Ethereum
Ethereum
Arbitrum One
Arbitrum One
Optimism
Optimism
Base
Base
BNB Smart Chain
BNB Smart Chain
Fantom
Fantom
Celo
Celo
Scroll
Scroll
Linea
Linea
Blast
Blast
Mode
Mode
Mantle
Mantle

Ship faster than your competition

Free RPC across 76+ chains. Spin up an endpoint in under 30 seconds.

Get your endpoint

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Pricing

Starter
Growth
Price (Monthly)FreeCustom pricing
Price (Annual)FreeCustom pricing
MessagingN/AN/A
SupportCommunity support via Discord and GitHubDedicated support and SLAs
Analytics

Start Building Now

Reliable RPC, powerful APIs, and zero hassle.

Resources

0x provides extensive developer resources including detailed documentation, code examples, video tutorials, and a developer dashboard. These resources help teams quickly integrate and optimize decentralized trading features while also enabling monetization and analytics.