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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MetaMask Wallet API

Enable your users to connect and interact with their MetaMask wallets

Documentation
EIP-6963
API Playground
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MetaMask Snaps

Customize MetaMask with your own features and extend your reach millions of users.

Documentation
Tutorials
Discover Snaps
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Infura APIs

Connect the infrastructure and APIs that support MetaMask

Gas API
Documentation
Getting Started
Faucet for Test ETH
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Test and deploy with Linea

Deploy your smart contract on Linea's EVM-equivalent Layer 2 zk-rollup

Quickstart
Documentation
Wallet Setup
Test ETH Faucets
Linea Apps Ecosystem
dev-tutorial-gas-api
Use the Gas API to estimate and optimize transaction fees

The Gas API powers Metamask’s Gas Estimation feature. Learn how you can add it to your build for superior UX, cost savings, or lightning-fast transactions.

What are snaps
What are Snaps? A Developer Into

Snaps allows you extend the functionality of MetaMask. This video will cover what APIs are available to you, and how they can be used.

How to create a MetaMask Snap
How to create a MetaMask Snap

Get started with Snaps. In this video, you’ll learn how install MetaMask Flask, use our template, start development servers, and connect MetaMask to your own Snap.

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How Collab.Land and MetaMask Are Paving the Way for New Transaction Primitives
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.
Galxe x MetaMask SDK: Creating a Frictionless Web3 Experience for Users
Galxe x MetaMask SDK: Creating a Frictionless Web3 Experience for Users
Learn how Galxe’s integration of MetaMask SDK streamlines wallet connections for a faster, smoother web3 experience.
5 Insights From Vitalik's Builder Nights Keynote feature image
5 Insights From Vitalik's Builder Nights Keynote
Explore key insights from Vitalik’s keynote, including how Account Abstraction was always part of the roadmap, the need for interoperability and L2 standardization, and more.
Infura SDK

v2.4.3

19 June 2023

  • NFT-000: hot fix for polygon #214
  • chore(v2.4.2): release version 2.4.2 #213
  • NFT-000: fix polygon url #212
  • feat: release version 2.4.1 #210
  • NFT-000: add integ test b3fb1f9
  • NFT-000: skip test ad51f17
  • NFT-000: fix url 7350ce7

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