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2,432 symbols
10,786 edges
2,199 files
⚖ MIT
78 documented · 3%
● updated 4d agoviem@2.56.8 · 2026-09-18★ 3,5572 open issues
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README
<img alt="viem logo" src="https://raw.githubusercontent.com/wevm/viem/main/.github/gh-logo-light.svg" width="auto" height="60">
TypeScript Interface for Ethereum
<img src="https://img.shields.io/npm/v/viem?colorA=f6f8fa&colorB=f6f8fa&style=flat" alt="Version">
<img src="https://img.shields.io/codecov/c/github/wevm/viem?colorA=f6f8fa&colorB=f6f8fa&style=flat" alt="Code coverage">
<img src="https://img.shields.io/npm/l/viem?colorA=f6f8fa&colorB=f6f8fa&style=flat" alt="MIT License">
<img src="https://img.shields.io/npm/dm/viem?colorA=f6f8fa&colorB=f6f8fa&style=flat" alt="Downloads per month">
<img src="https://img.shields.io/endpoint?colorA=f6f8fa&colorB=f6f8fa&style=flat&url=https://bestofjs-serverless.now.sh/api/project-badge?fullName=wevm%2Fviem%26since=daily" alt="Best of JS">
Features
- 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
... and a lot more.
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();
Documentation
Head to the documentation to read and learn more about viem.
Community
Check out the following places for more viem-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
Sponsors
<img alt="paradigm logo" src="https://raw.githubusercontent.com/wevm/.github/main/content/sponsors/paradigm-light.svg" width="auto" height="70">
<img alt="tempo logo" src="https://raw.githubusercontent.com/wevm/.github/main/content/sponsors/tempo-light.svg" width="auto" height="70">
<img alt="family logo" src="https://raw.githubusercontent.com/wevm/.github/main/content/sponsors/family-light.svg" width="auto" height="50">
<img alt="context logo" src="https://raw.githubusercontent.com/wevm/.github/main/content/sponsors/context-light.svg" width="auto" height="50">
<img alt="PartyDAO logo" src="https://raw.githubusercontent.com/wevm/.github/main/content/sponsors/partydao-light.svg" width="auto" height="50">
<img alt="Dynamic logo" src="https://raw.githubusercontent.com/wevm/.github/main/content/sponsors/dynamic-light.svg" width="auto" height="50">
<img alt="Sushi logo" src="https://raw.githubusercontent.com/wevm/.github/main/content/sponsors/sushi-light.svg" width="auto" height="50">
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Contributing
If you're interested in contributing, please read the contributing docs before submitting a pull request.
Authors
License
MIT License
Extension points exported contracts — how you extend this code
browse all types & interfaces →
Core symbols most depended-on inside this repo
Shape
Languages
TypeScript100%
Modules by API surface
src/account-abstraction/errors/bundler.ts108 symbols
src/errors/rpc.ts87 symbols
src/errors/abi.ts78 symbols
src/tempo/actions/token.ts54 symbols
src/tempo/actions/earn.ts45 symbols
src/errors/transaction.ts40 symbols
src/errors/node.ts36 symbols
scripts/generateTempoAbis.ts34 symbols
src/tempo/actions/dex.ts30 symbols
src/utils/cursor.ts27 symbols
src/tempo/Multisig.ts25 symbols
src/tempo/errors.ts24 symbols
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@ethereumjs/rlp5.0.2 · 1×
@fast-check/vitest0.4.1 · 1×
@noble/curves1.9.1 · 1×
@noble/hashes1.8.0 · 1×
@paulmillr/trusted-setups0.1.2 · 1×
@pimlico/alto0.0.18 · 1×
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