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Thirdweb JS Library

Thirdweb JS Library

An open-source full-stack web3 development platform offering SDKs, APIs, and prebuilt contracts to build, monetize, and scale blockchain applications across EVM chains and Solana.

originSan Francisco, USA
users1m+
launched2021
chains
Submit or update a tool
Audience
๐Ÿ’ธDeFi Developers
๐Ÿ–ผ๏ธNFT Platform Developers
๐ŸŽฎGaming Developers
๐Ÿ› ๏ธInfrastructure Developers
๐Ÿ—ณ๏ธDAO Tooling Developers
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Overview

thirdweb is an open-source, full-stack web3 development platform designed to simplify building, monetizing, and scaling decentralized applications. It provides a comprehensive suite of tools including SDKs, APIs, prebuilt smart contracts, and infrastructure services that support all EVM-compatible blockchains and Solana. Developers can deploy and manage tokens, wallets, payments, bridges, and account abstraction features with minimal setup, enabling rapid iteration and production readiness.

The platform offers SDKs for popular programming environments such as TypeScript, React, React Native, Unity, Unreal Engine, and .NET, making it accessible for web, mobile, and gaming developers. Its modular architecture includes components for contract deployment, wallet management, transaction handling, real-time blockchain data querying, and secure key management through a non-custodial vault. thirdweb also integrates AI-powered blockchain models and discoverable APIs with built-in payment mechanisms to support autonomous agent interactions.

What sets thirdweb apart is its extensive ecosystem support, covering every EVM chain plus Solana, combined with audited prebuilt contracts and account abstraction capabilities that simplify gas management and user onboarding. Its flexible pricing tiers scale from small teams to large enterprises, with dedicated infrastructure options and guaranteed support SLAs. Notable integrations include powering multi-sig wallets securing over $100 billion in assets, NFT launches like King of Destiny with rapid sales, and Coinbaseโ€™s NFT creation and transaction management. Developers can get started quickly via the open-source SDKs, extensive documentation, and an interactive playground environment.

The Problem

Building and scaling web3 applications across multiple blockchains requires managing complex infrastructure, smart contract deployment, wallet integration, and payment processing. Developers face challenges in onboarding users, handling gas fees, and accessing reliable blockchain data in real time.

Complex multi-chain contract deployment and management
User onboarding friction due to wallet and gas fee complexities
Lack of unified APIs for payments, bridging, and blockchain data

The Solution

Key Features

Prebuilt audited smart contracts

Deploy ERC-20, ERC-721, ERC-1155 tokens and other contract templates with simple configuration.

Integrated wallet and transaction APIs

Manage wallets, sign transactions, and monitor transaction status via REST APIs and SDKs.

Real-time blockchain data via Insight

Query and transform on-chain data with flexible REST APIs and subgraph compatibility.

AI-powered blockchain models and discoverable APIs

Leverage AI agents to read/write on-chain and build APIs with built-in payment flows.

Non-custodial Vault for secure key management

Securely store and manage server or developer keys without custody risks.

Key Strengths

Comprehensive full-stack tooling
Cross-chain and multi-platform support
Account abstraction and gas management

How Developers Use Thirdweb JS Library

๐ŸŽจ

NFT Platform Development

Developers use thirdweb to deploy and manage NFT collections with prebuilt ERC-721 contracts, integrated wallets, and marketplace-ready token listings.

๐ŸŽฎ

Onchain Gaming Economies

Game studios build tokenized in-game assets, multi-sig wallets, and seamless user onboarding with account abstraction to power scalable blockchain games.

๐Ÿ’ฐ

DeFi Application Infrastructure

DeFi teams leverage thirdwebโ€™s APIs for token launches, bridging, payments, and real-time data insights to build interoperable financial products.

Works Well With
Ethereum
Ethereum
EVM Chains
EVM Chains

Ship faster than your competition

Free RPC across 76+ chains. Spin up an endpoint in under 30 seconds.

Get your endpoint

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Pricing

Starter
Growth
Scale
Pro
Price (Monthly)$5$99$499Starting at $1,499
Price (Annual)Custom pricingCustom pricingCustom pricingCustom pricing
MessagingCommunity & AI SupportEmail Support with 48hr Guaranteed ResponseSlack & Telegram Support with 24hr Guaranteed Response12hr Guaranteed Response with Dedicated Account Executive
SupportCommunity support via Discord and GitHubEmail supportDedicated infrastructure add-ons and audit logsCustom infrastructure, negotiated volume discounts, no rate limits
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Resources

thirdweb provides extensive developer resources including detailed documentation, SDK references, API guides, templates, and an interactive playground to accelerate onboarding and development.