Get MetaMask
Get MetaMask

Build with MetaMask

A suite of developer tools to empower dapp developers to build innovative experiences for the most powerful, crypto-native users on MetaMask

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Build with MetaMask

  • Integrate with MetaMask wallet

    • MetaMask SDK

      Seamless, reliable, and customizable connection to the browser extension and mobile clients.

      Documentation
    • Multichain API

      Connect dapps to users’ Ethereum and non-EVM accounts

      Documentation
    Integrate with MetaMask wallet

  • Explore smart accounts and delegations

    • Delegation Toolkit

      Instantly onboard users through smart accounts portable with MetaMask, redesign gas, build with permissions-first delegations.

      Sign up for waitlist
    Explore smart accounts and delegations

  • Run dapps faster

    • Managed Nodes

      Scale your dapp with Infura’s industry-leading, cloud-based node services.

      Documentation
    • Platform APIs

      Simplify development and boost performance with the APIs powering MetaMask’s most popular features.

      Documentation
    Run dapps faster

  • Customize MetaMask for any dapp and protocol

    • Snaps

      Add new functionality for MetaMask, and add support for any protocol in EVM and non-EVM networks.

      Documentation
    Customize MetaMask for any dapp and protocol

Develop with MetaMask

A comprehensive set of developer tools, products and services for onboarding and engaging with MetaMask users.

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Try it out

Discover tutorials, workshops, and more.

Tutorials, video walkthroughs, and workshops—for developers, by developers

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Start building with a free Linea mainnet node

Deploy your smart contract on Linea’s EVM-equivalent L2 for free.

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Release notes

  • MetaMask Snaps

    View full note
    v93.0.0
    4 March 2025
    • Fixed
      @metamask/snaps-rpc-methods 11.13.1
      • Unlock client before calling getEntropySources in snap_listEntropySources method (#3194)

  • MetaMask SDK

    View full note
    v110.0.0
    4 March 2025

    • Wallet / Multichain API

      View full note
      v0.11.0
      3 March 2025
      • Removed
        • BREAKING: Remove wallet_swapAsset (#289)
          • This is not quite ready for primetime.

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