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© 2026 Hydrex. All rights reserved.
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© 2026 Hydrex. All rights reserved.
DEX aggregator for Base — best swap rates across 0x, OpenOcean, OKX, and KyberSwap
The Hydrex Routing API fetches quotes from multiple on-chain liquidity sources — 0x, OpenOcean, OKX, and KyberSwap — selects the optimal route, and returns executable calldata for the Hydrex router smart contract. Designed for Base (chain ID 8453) with support for additional EVM chains.
Base URL:https://router.api.hydrex.fi
Swagger UI:https://router.api.hydrex.fi/api
chainId: 8453
Auth: No API key required for public endpoints
Quick-start integration, authentication, core concepts, and additional notes
Complete endpoint reference — quote, multi-swap, DCA orders
JavaScript and Python integration examples
Referral and spread fees for partner revenue
ZEROXOPENOCEANOKXKYBERSWAPUse the source parameter to filter, or omit it to query all sources automatically.