ZRX · 2026-11-11 17:23 UTC

Bitcoin bridging on Cross-Chain API

0x Cross-Chain API now supports swaps to and from the Bitcoin network, letting wallets, exchanges, and DeFi apps offer a Bitcoin bridge alongside existing cross-chain swaps. Users can swap part of their BTC into other networks or convert tokens back to native BTC at a Bitcoin address, with quotes requested from /cross-chain/quotes and BTC sell amounts expressed in satoshis. Bitcoin-origin swaps return a partially signed Bitcoin transaction to sign and broadcast, tracked via /cross-chain/status, and do not support integrator fee parameters.

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