This guide is a primer for first time builders and a roadmap for seasoned veterans. It outlines the most common use cases and the critical tools used to build your solution.
Building Web3 solutions involves creating decentralized and interoperable protocols that form the foundation for the next generation of the internet, enabling trustless transactions and decentralized applications. Below are the most common use cases.

Network APIs provides web3 developer tools focused on blockchain network interactions and API services.
No-code multi-chain analytics and visualization platform for blockchain dApps and networks.

BitMEX is a cryptocurrency derivatives trading platform offering deep liquidity, pro trading tools, and the invention of the perpetual swap.

Gemini is a regulated cryptocurrency platform offering trading, investing, staking, and custody services with onchain Web3 wallet access.
No-code multi-chain analytics and visualization platform for blockchain dApps and networks.
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A decentralized, gas-efficient automated market maker protocol for NFT-to-token swaps using customizable bonding curves.
A comprehensive suite of APIs, SDKs, and developer tools from Coinbase to build onchain applications and integrate crypto services.
Layerswap is a cross-chain bridging solution enabling token swaps across 71 blockchain networks.
Oracle Framework enables developers to build AI-powered social media agents with customizable personalities and multi-platform integration.

DataAPI provides a unified API to access multiple data sources for blockchain and Web3 applications.
Magic provides enterprise-grade, non-custodial wallet infrastructure and passwordless authentication APIs for seamless Web3 onboarding and wallet management.

Live Coin Watch provides fast, real-time cryptocurrency price tracking, portfolio management, and market data via a comprehensive API and web platform.

QuickAlerts is a real-time blockchain event monitoring and alerting tool that delivers customizable notifications via webhooks.

An open source platform for creating and deploying private blockchains with Bitcoin compatibility.
Bridge is a TypeScript Node.js framework for building scalable REST APIs with automatic client code generation.
Rarible API is a fast, unified NFT API infrastructure providing real-time data and executable market features across Ethereum, Base, Polygon, and more than 10 other chains.
Bybit is a cryptocurrency exchange platform offering spot and futures trading, staking, and NFT trading with unified APIs for integration.

The Graph is a decentralized indexing protocol that organizes blockchain data and makes it easily accessible via GraphQL.
Virtually operated Web3 networks that replicate real blockchain networks for development, testing, and staging without using real assets.
Modern continuous integration and continuous delivery (CI/CD) system focused on advanced testing and test result analysis.

QuickNode provides fast, reliable, and scalable blockchain infrastructure and developer tools to build and scale onchain applications.

A Document Object Model for Web APIs designed to simplify API consumption and integration.
Huobi API provides comprehensive REST and WebSocket interfaces for trading, account management, market data, and asset operations on the Huobi crypto exchange.

Mantle Network is an Ethereum Layer 2 blockchain leveraging zero-knowledge proofs and modular architecture to enhance capital efficiency and scalability.
Oracle Framework is a decentralized oracle solution enabling developers to create, configure, and run custom oracle agents for reliable off-chain data integration.
A comprehensive set of SDKs for integrating with KuCoin's spot, futures, and broker trading APIs across multiple programming languages.
A non-profit open-source foundation promoting the development of Web3 infrastructure technologies.

A project scaffolding tool to quickly create and develop Svelte applications.

EarnPark is a decentralized finance (DeFi) platform focused on automated market making and digital wealth building strategies.
Fireblocks Non-Custodial Wallet-as-a-Service (WaaS) provides a comprehensive API platform to securely manage, transfer, and issue digital assets across vaults, wallets, exchanges, and fiat accounts.

BUSD is a US dollar-backed stablecoin issued by Paxos and regulated by the New York State Department of Financial Services.
An open, flexible framework for transferring tokens across blockchains without liquidity pools.
Superbridge is a native bridging solution enabling asset transfers between Ethereum and various rollups.

Balancer is a decentralized automated market maker (AMM) protocol enabling customizable liquidity pools and token swaps on Ethereum.

Trade, earn, and own crypto on the all-in-one multichain decentralized exchange (DEX).

A multi-chain, cross-layer asset bridge offering instant transfers with low fees and zero trust.

0x provides battle-tested APIs to embed fast, gasless, and deeply liquid crypto trading into decentralized applications.
Tenderly is a full-stack Web3 development platform offering customizable node RPC, virtual testnets, debugging, simulation, and monitoring tools for smart contract lifecycle management.

An open-source Discord bot designed for community management and automation, currently undergoing a rework.
Tether is a multi-blockchain stablecoin platform providing fiat-backed digital tokens for seamless blockchain payments and settlements.

Orbiter Finance is a zero-knowledge technology-based Ethereum acceleration engine that enables fast, affordable, and secure bridging and swapping of crypto assets across multiple blockchain ecosystems.
Custody provides software solutions focused on secure digital asset custody management.

An Ethereum development environment for compiling, testing, debugging, and deploying smart contracts with advanced Solidity and TypeScript support.

Firebird Finance is a decentralized finance (DeFi) platform offering various financial products and services.
Router Protocol is a cross-chain interoperability solution enabling seamless communication and asset transfers between blockchains.

Transak is a developer-focused fiat-to-crypto onramp solution enabling users to buy and sell over 136 cryptocurrencies via multiple payment methods in 64+ countries.
MEXC is a leading cryptocurrency exchange offering trading, buying, and earning opportunities across thousands of crypto assets.
Fuse is a public blockchain ecosystem designed for low-cost, scalable Web3 payments and business adoption with a focus on mobile-first and real-world use cases.
Crypto.com is a comprehensive platform offering cryptocurrency trading, payments, wallets, and DeFi services to over 150 million users worldwide.

AtomicDEX is a decentralized exchange platform focused on next-generation finance and cross-chain trading.

An AI-powered blockchain intelligence platform that enables conversational querying and analysis of on-chain data across 30+ networks.

A comprehensive cryptocurrency market data API providing real-time and historical data for thousands of coins and assets.