0x | Version 8.9.1 Download [new]

This article covers everything you need to know about version 8.9.1: what’s new, how to download it, installation steps, verification, and troubleshooting.

Once installed, you can use xcapture to log what your system is doing, and then use xtop to analyze the generated CSV logs.

0x is an open-source infrastructure protocol that allows for the decentralized exchange of tokenized assets. Instead of relying on a centralized intermediary, 0x utilizes a system of off-chain order relays and on-chain settlements. This hybrid architecture reduces blockchain congestion and lowers transaction fees (gas costs) for users. 0x Version 8.9.1 Download

(Note: Replace @0x/api-utils with the specific 0x sub-package required for your project infrastructure).

0x Version 8.9.1 marks a significant milestone in the evolution of decentralized exchange (DEX) infrastructure. This update focuses on enhancing liquidity routing, reducing gas overhead, and providing developers with a more robust toolkit for building on-chain trading applications. Key Enhancements in Version 8.9.1 This article covers everything you need to know

For a detailed breakdown of the changes and updates in 0x Version 8.9.1, be sure to check out our release notes: [insert link to release notes]

(as of April 2026), there is no official core release labeled "Version 8.9.1." Instead of relying on a centralized intermediary, 0x

This recent release (Nov 2025) fixed a critical bug where the default value for starknetVersion needed to be explicitly set. It is primarily used for creating and operating Starknet accounts for agent workflows.