0x Version 8.9.1 Download- May 2026

You might wonder, "Why not just use the latest version?" While the latest 0x version includes cutting-edge features, there are four primary reasons developers specifically search for 0x version 8.9.1 download:

The 0x protocol is distributed as several NPM packages. To download the JavaScript/TypeScript libraries for v8.9.1:

# Install the core 0x libraries at version 8.9.1
npm install @0x/contract-addresses@8.9.1
npm install @0x/contract-wrappers@8.9.1
npm install @0x/utils@8.9.1
npm install @0x/order-utils@8.9.1

To verify the download was successful:

npm list @0x/contract-wrappers
# Output should show: @0x/contract-wrappers@8.9.1

If you are integrating 0x into a Solidity project, you need the npm package @0x/contracts-core.

Step-by-Step Installation:

Open your terminal in your project root and run:

npm install --save @0x/contracts-core@8.9.1

Or if you use Yarn:

yarn add @0x/contracts-core@8.9.1

Verifying the Download: To ensure you have the correct version, check your package.json:

  "dependencies": 
    "@0x/contracts-core": "8.9.1"

You can also verify the integrity via SHA-256 checksums provided in the GitHub release notes. 0x Version 8.9.1 Download-