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0x Protocol (a DEX aggregator API that has routed $180 billion in swap volume since 2017) opened its Cross-Chain API to general availability Wednesday. Twelve bridge providers are live from day one, accessible through a single API call.
The partner list includes Circle, Chainlink, USDT0, Relay Protocol, LayerZero, Optimism, Across Protocol, Mayan, Stargate Finance, NEAR Protocol, Gas.zip and Squid Router. The API delivers routes with a median bridge time of 10 seconds and a quote response under 750 milliseconds, per 0x’s product page. The company reports 99.97% uptime on the underlying infrastructure.
For developers, the pitch is consolidation. A wallet or app already on 0x's Swap API can activate cross-chain routing without adding vendors or writing bridge-specific error handling. 0x monitors routes in real time and switches providers when one degrades.
