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NEW! Build embedded wallets with MetaMask using the Embedded Wallets SDK (Web3Auth). Instantly onboard users with social logins, passkeys, and more.

│ ‎ Documentation

Connect to MetaMask

- MetaMask SDK
  
  Seamlessly connect to the MetaMask extension and MetaMask Mobile.
- Wallet API
  
  Directly integrate your dapp with the MetaMask extension.

- Delegation Toolkit
  
  Embed MetaMask smart accounts with new web3 experiences into your dapp.
- Embedded Wallet SDK
  
  Onboard users in seconds via social logins, passkeys, or custom authentication providers.

Extend and scale

- Snaps
  
  Create a custom Snap to extend the functionality of MetaMask.
- Services
  
  Use services provided by Infura to optimize essential development tasks and scale your dapp or Snap.

Developer tools

- Developer dashboard
  
  View documentation to manage Infura API keys, monitor usage, and access account details.
- Faucet
  
  Use the faucet to obtain Ethereum Sepolia or Linea Sepolia testnet tokens.

Wallet API documentation

Directly integrate your dapp with the MetaMask extension using the Wallet API.

Introduction
How to
Concepts
Tutorials
Reference

Display in MetaMask

📄️ Display tokens

Display a user's ERC-20 tokens or NFTs.

📄️ Display a contract's method names

Register a contract's method names with users.

📄️ Display a dapp icon

Set an icon on MetaMask for your dapp.

Documentation

SDK
Wallet API
Delegation Toolkit
Snaps
Services
Developer dashboard

GitHub

Documentation GitHub
MetaMask wallet GitHub
MetaMask SDK GitHub
MetaMask Mobile GitHub
Snaps GitHub

Community

Faucet
MetaMask Developer
Consensys Discord
Contribute to MetaMask
Contribute to the docs
MetaMask user support

Legal

Privacy Policy
Terms of Use
Contributor License Agreement

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