0x
Developer APIs for swapping tokens onchain, including EVM, Solana, gasless and cross-chain swaps.
- Category
- Token & DEX
- Used for
About 0x
0x provides APIs and onchain routing infrastructure designed for digital asset trades, payments, and settlements.
The platform offers composable APIs across multiple ecosystems, including EVM, Solana, and cross-chain environments, allowing developers and institutions to aggregate liquidity and embed swapping functionality into applications.
Key features
- Provides a Cross-Chain API to allow token swaps across different chains in a single transaction.
- Offers a Gasless API to facilitate token trades without standard user gas fee hurdles.
- Includes a Trade Analytics API for tracking onchain metrics and data.
- Integrates liquidity from over 150 to 370 sources across supported blockchains.
- Allows self-management of API keys and app monitoring through a developer dashboard.
- Enables app monetization through configurable swap fees and surplus parameters.
What it is used for
- Embed token swaps directly into wallets, exchanges, and decentralized applications.
- Settle crypto payments and subscriptions onchain.
- Bridge and swap tokens across multiple blockchain networks.
- Execute gasless trades to prevent transaction drop-offs.
- Trade tokenized real-world assets like equities, commodities, and treasuries.
What it does
Used for
Who it is for
Kind of tool
- Aggregator
Platforms
- Web
- API
- CLI
Things to know
- API request rates and volume limits vary depending on the selected plan tier.
- 0x collects trade surplus on certain plans when orders execute at better prices than quoted.
- Uptime metrics reflect historical averages rather than formal service guarantees.
Verification and freshness
- Not verified yet.
- Last updated on November 8, 2026.