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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
metamask-run-dapp-infura
Infura APIs

Connect the infrastructure and APIs that support MetaMask

Gas API
Documentation
Getting Started
Faucet for Test ETH
metamask-with-linea
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 the Red Balloon Game Utilized the MetaMask Delegation Toolkit for a New Web3 Experience
Learn how the MetaMask Red Balloon game used the Delegation Toolkit to achieve a new web3 user experience.
Introducing the Delegation Toolkit: MetaMask Smart Contract Account Offering Image
Introducing the Delegation Toolkit: MetaMask Smart Contract Account Offering
The MetaMask Delegation Toolkit is designed to help developers build UX-friendly, feature-rich experiences into their dapps, eliminating common UX issues in web3 for users.
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All You Need to Know About Builder Nights
Learn how the Builder Nights event series fosters collaboration among builders in the web3 ecosystem.

MetaMask Developer Community Call April 2024

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1:03:38

MetaMask Developer Community Call January 2024

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MetaMask Snaps – Now in Open Beta | Community Call ft. Christian Montoya

MetaMask Snaps – Now in Open Beta | Community Call ft. Christian Montoya
57:24
MetaMask Snaps
v55.0.0 (Jul 10, 2024)

@metamask/snaps-execution-environments 6.6.0

Changed

  • Inline LavaMoat in WebView bundle (#2528, #2564)
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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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