The main entry point for users. It utilizes fallback contracts to delegate calls to specific feature modules, ensuring the architecture remains upgradeable.
Ensure your Web3 instance utilizes robust fallback RPC endpoints. Because 8.9.1 optimizes for rapid state syncs, stale blockchain data from lagging node providers can trigger unnecessary local contract reverts.
For standard Web3 application integration, pull the verified stable release directly from the npm registry: 0x Version 8.9.1 Download-
0x continues to set the standard for decentralized exchange infrastructure. By utilizing the latest version (as of late 2025/2026, building upon the foundations of V4), developers and traders are utilizing a more efficient, multi-chain capable, and secure system. Always check the official 0x GitHub for the most up-to-date repository information.
Regular updates patch potential vulnerabilities and improve the overall resilience of the protocol. The main entry point for users
If you need the raw Solidity smart contracts (for local compilation or auditing):
: This version optimizes transaction processing, reducing latency and improving overall efficiency. This enhancement is crucial for applications requiring high throughput and low latency. Because 8
Disclaimer: Always refer to the official 0x GitHub repository and documentation for the most up-to-date download links. Do not download 0x binaries from third-party mirrors.
Because 0x is not an application; it is a smart contract protocol and a set of developer libraries. You integrate it into your own application.
Run the command that matches your setup:
: Covers the SLSRecast utility and basic backup management.