⚡ NEW: Elysium Testnet on QuicknodeTestnet endpoints for Kinetiq’s EVM chain on HyperEVM
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Build an ecosystem optimized for your goals while opening up new revenue streams.
Submit or update a tool0x, Streams and Hosted Hardhat each address unique challenges in the web3 ecosystem, offering complementary strengths for builders. 0x provides battle-tested APIs to embed fast, gasless, and deeply liquid crypto trading into decentralized applications. Quicknode provides fast, reliable, and scalable blockchain infrastructure and developer tools to build and scale onchain applications. An Ethereum development environment for compiling, testing, debugging, and deploying smart contracts with advanced Solidity and TypeScript support. Together, these tools serve different but overlapping user needs, making them valuable components in a modern web3 development stack.
| At a Glance | |||
| Composability | |||
| Cross-Chain | |||
| Customizability | |||
| Developer Support | |||
| Ease of Integration | |||
| Performance | |||
| Key Features | |||
| Core Capabilities | Swap API, Gasless API, Trade Analytics API, Multi-chain support, Developer dashboard | Core RPC API, Streams - Real-Time and Historical Data, Dedicated Clusters, Yellowstone gRPC for Solana, Webhooks and IPFS Gateways | Detailed Solidity stack traces and actionable error messages, Multi-chain support including Optimism OP Stack and Base simulation, Support for writing scripts to automate workflows and interact with contracts, Integration with popular Ethereum libraries like viem and ethers.js |
| Chain Support | +9 | +30 | +6 |
| Best For | DeFi Developers, Infrastructure Developers | Infrastructure Developers, DeFi Developers | DeFi Developers, Infrastructure Developers |
| Pricing | |||
| Free Tier | Starter | Free | Open Source |
| Paid Features | 1 paid tiers | 2 paid tiers | — |
| Custom Plans | — | Enterprise plans | — |
Explore web3 competitors and apps like 0x.




