Build reliable apps & libraries with lightweight, composable, and type-safe modules that interface with Ethereum
npm
npm i viem
Modular
Composable modules to build applications & libraries with speed
Lightweight
Tiny bundle size optimized for tree-shaking
See morePerformant
Optimized architecture compared to alternative libraries
Typed APIs
Flexible programmatic APIs with extensive TypeScript typing
Overview
// 1. Import modules.
import { createPublicClient, http } from 'viem'
import { mainnet } from 'viem/chains'
// 2. Set up your client with desired chain & transport.
const client = createPublicClient({
chain: mainnet,
transport: http(),
})
// 3. Consume an action!
const blockNumber = await client.getBlockNumber()
Features
viem supports all these features out-of-the-box:
- Abstractions over the JSON-RPC API to make your life easier
- First-class APIs for interacting with Smart Contracts
- Language closely aligned to official Ethereum terminology
- Import your Browser Extension, WalletConnect or Private Key Wallet
- Browser native BigInt, instead of large BigNumber libraries
- Utilities for working with ABIs (encoding/decoding/inspection)
- TypeScript ready (infer types from ABIs and EIP-712 Typed Data)
- First-class support for Anvil, Hardhat & Ganache
- Test suite running against forked Ethereum network
Community
Check out the following places for more wagmi-related content:
- Follow @wevm_dev, @_jxom, and @awkweb on Twitter for project updates
- Join the discussions on GitHub
- Share your project/organization that uses viem
Support
Help support future development and make wagmi a sustainable open-source project: