0x Version 8.9.1 Download- May 2026

If you need the raw Solidity smart contracts (for local compilation or auditing):

git clone https://github.com/0xProject/protocol.git
cd protocol
git checkout tags/v8.9.1

This will give you the exact state of the protocol repository as of the v8.9.1 release. You will find the smart contracts in contracts/ and the migration scripts in contracts/zero-ex/. 0x Version 8.9.1 Download-

Using 0x v8.9.1, you can source liquidity from multiple on-chain pools (Uniswap, Balancer, etc.) via the 0x API and settle via the Exchange contract. If you need the raw Solidity smart contracts

Upgrade if:

Stay on an older version if:

Relayers aggregate off-chain orders and submit them on-chain. 0x v8.9.1 is battle-tested for high-throughput order books. This will give you the exact state of