Wallet Connector vs Core API vs 0x
Build an ecosystem optimized for your goals while opening up new revenue streams.
Comparison Summary
Wallet Connector, Core API and 0x each address unique challenges in the web3 ecosystem, offering complementary strengths for builders. A decentralized connectivity protocol enabling seamless and secure wallet connections across blockchains. 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 | One-click authentication, Secure transaction signing and phishing protection, Advanced on-chain configurations | Dynamic API Discovery, Open Source Repositories | Swap API, Gasless API, Trade Analytics API, Multi-chain support, Developer dashboard |
| Chain Support |  |    +40 |    +9 |
| Best For | Infrastructure Developers, DeFi Developers | Infrastructure Developers, DeFi Developers | DeFi Developers, Infrastructure Developers |
| Pricing | |||
| Free Tier | Free | — | Starter |
| Paid Features | — | — | 1 paid tiers |
| Custom Plans | — | — | — |
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