Thirdweb JS Library vs Core API vs 0x
Build an ecosystem optimized for your goals while opening up new revenue streams.
Comparison Summary
Thirdweb JS Library, Core API and 0x each address unique challenges in the web3 ecosystem, offering complementary strengths for builders. 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. A Document Object Model for Web APIs designed to simplify API consumption and integration. 0x provides battle-tested APIs to embed fast, gasless, and deeply liquid crypto trading into decentralized applications. 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 | Prebuilt audited smart contracts, Integrated wallet and transaction APIs, Real-time blockchain data via Insight, AI-powered blockchain models and discoverable APIs, Non-custodial Vault for secure key management | Dynamic API Discovery, Open Source Repositories | Swap API, Gasless API, Trade Analytics API, Multi-chain support, Developer dashboard |
| Chain Support |   |    +40 |    +9 |
| Best For | DeFi Developers, NFT Platform Developers | Infrastructure Developers, DeFi Developers | DeFi Developers, Infrastructure Developers |
| Pricing | |||
| Free Tier | Starter | — | Starter |
| Paid Features | 3 paid tiers | — | 1 paid tiers |
| Custom Plans | — | — | — |
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