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
Start Building
Build your dapp using the same infrastructure and APIs powering web3's most popular open-source wallet.
MetaMask Wallet API
Enable your users to connect and interact with their MetaMask wallets
DocumentationEIP-6963
API Playground
MetaMask Snaps
Customize MetaMask with your own features and extend your reach millions of users.
DocumentationTutorials
Discover Snaps
Infura APIs
Connect the infrastructure and APIs that support MetaMask
Gas APIDocumentation
Getting Started
Faucet for Test ETH
Test and deploy with Linea
Deploy your smart contract on Linea's EVM-equivalent Layer 2 zk-rollup
QuickstartDocumentation
Wallet Setup
Test ETH Faucets
Linea Apps Ecosystem
Tutorials
Tutorials, workshops, and walkthroughs building web3 dapps, for developers, by developers.
Read the latest news
Explore the latest MetaMask news and announcements
DIN 2024 Accomplishments
Discover DIN's transformative journey in 2024, from scaling to 50+ providers to processing 100M+ daily requests. Explore key milestones in decentralized architecture, partnerships, network growth, and community engagement.
Swellchain Goes Live: Accessible on Infura, Decentralized by DIN
The restaking-powered Layer 2 network. Swellchain is now live on Infura and decentralized by DIN. Start building scalable, secure, and decentralized DeFi applications with Swellchain’s modular architecture and EigenLayer's pooled security.
How Collab.Land and MetaMask Are Paving the Way for New Transaction Primitives
Collab.Land and MetaMask’s Delegation Toolkit redefines web3 transactions with smart accounts.
Join the community
Join the community
Get email invites to special developer-only events, early access to developer previews, and updates on new product releases.