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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 embedded wallets

    • Smart Accounts Kit

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

      Sign up for waitlist
    • Embedded Wallets

      Design supercharged on-chain experiences with Embedded Wallets — instant setup, minimal friction, endless customizability.

      Documentation
    Explore smart accounts and embedded wallets

  • 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
    v142.0.0
    4 February 2026
    • Added
      @metamask/snaps-controllers 18.0.0
      • BREAKING: Use StorageService to store source code (#3777)
      Changed
      • BREAKING: Remove closeAllConnections constructor argument (#3814)
      • Pass executor parameters by object (#3803)
      • Bump lodash from 4.17.21 to 4.17.23 (#3821)
      • Bump tar from 7.0.0 to 7.1.0 (#3821)
      • Bump @metamask/json-rpc-engine from 10.2.0 to 10.2.1 (#3804)
      Fixed
      • Disallow using unconnected accounts in MultichainRouter (#3837)
      • Update SnapController state when SnapsRegistry changes (#3828)
      • Update documentation for MultichainRouter (#3827)
      • Manually construct keyring_resolveAccountAddress request (#3822)
    • Changed
      @metamask/snaps-execution-environments 11.0.0
      • BREAKING: Pass executor parameters by object (#3803)
    • Changed
      @metamask/snaps-jest 10.1.0
      • Remove sourceCode from getSnap implementation (#3777)
    • Added
      @metamask/snaps-rpc-methods 14.3.0
      • Add middleware to validate wallet_snap permission request (#3838)
      Fixed
      • Cleanup endowment handling of maxRequestTime (#3826)
    • Changed
      @metamask/snaps-simulation 4.1.0
      • Remove sourceCode from getSnap implementation (#3777)
    • Added
      @metamask/snaps-utils 12.1.0
      • Add types for Snap's StorageService data (#3777)
      • Add Canton Network derivation path (#3833)
      Changed
      • Bump @metamask/slip44 from 4.3.0 to 4.4.0 (#3834)
      • Bump fast-xml-parser from 4.5.3 to 5.3.4 (#3831)

  • MetaMask SDK

    View full note
    v116.0.0
    13 November 2025
    • Added
      @metamask/sdk 0.34.0
      • Introduces a new hideReturnToAppNotification option (default false) and passes it through to deeplink/QR URLs (#1350)

  • Wallet / Multichain API

    View full note
    v0.14.0
    6 May 2025
    • Added
      • Add EIP-5792 methods: wallet_sendCalls, wallet_getCallsStatus, wallet_getCapabilities (#284)

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