Development Tools

Use development tools to build, test, and deploy smart contracts on Unichain.

OP Stack

Unichain is built on the OP Stack. Get started with these key resources:

Supported networks

  • Unichain Mainnet
  • Unichain Sepolia Testnet

OpenZeppelin

OpenZeppelin provides open-source development tools and security services that power the leading Web3 protocols and applications. On Unichain, developers can leverage:

Get started here.

Supported networks

  • Unichain Mainnet
  • Unichain Sepolia Testnet

Thirdweb

Thirdweb is a full-stack, open-source development platform for Web3 apps and games, offering client-side SDKs for user onboarding and identity, backend servers for gas sponsorship and onchain transactions, data infrastructure for blockchain indexing, and audited smart contracts with deployment tooling.

Get started here

Supported networks

  • Unichain Mainnet
  • Unichain Sepolia Testnet

Gelato

Gelato provides a relay service that enables secure gasless transactions for a smoother user experience in Web3 applications. With Gelato Relay, developers can:

  • Enable users to pay for transactions by simply signing a message
  • Implement sponsored transactions where developers cover gas costs
  • Use ERC2771 for secure user authentication
  • Track transaction status through WebSocket subscriptions or polling

Get started with Gelato Relay by:

Supported networks

  • Unichain Mainnet
  • Unichain Sepolia Testnet