USDX vs Core API vs 0x
Build an ecosystem optimized for your goals while opening up new revenue streams.
Comparison Summary
USDX, Core API and 0x each address unique challenges in the web3 ecosystem, offering complementary strengths for builders. A simple, experimental, and low-cost software-defined SSB and CW transceiver for QRP HF radio communications. 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 | Continuous tuning across 160m-10m bands, DSP filters and noise reduction, Software-based full Break-In VOX | 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 | Infrastructure Developers, DeFi Developers | DeFi Developers, Infrastructure Developers |
| Pricing | |||
| Free Tier | Open Source | — | Starter |
| Paid Features | — | — | 1 paid tiers |
| Custom Plans | — | — | — |
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