Changelog

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📣 Announcements

  • Robinhood Chain is now public: Robinhood Chain (4663) is generally available across the Swap, Gasless, and Cross-Chain APIs, with a broad set of native DEXes routed from day one. See supported chains.

New Chains

  • Robinhood Chain: Now supported in Swap API, Gasless API, and Cross-Chain API (chain ID 4663).

New Liquidity Sources

  • Base: Added BinaryFi (MX Trading) prop AMM, DeltaSwap, Metric V2, Morphex, PancakeSwap Infinity Bin, and the st0x PropAMM hook (Uniswap V4).
  • BSC: Added Flap, FlapHook (PancakeSwap Infinity), Kipseli, and PancakeSwap Infinity Bin.
  • Ethereum: Added Bancor V3.
  • HyperEVM: Added LiquidCore.
  • Monad: Added NadDotFun V2.
  • Robinhood Chain: Added Alley (Catnip), Bags bonding curve, Baseline, Ekubo V3, Ekubo ve(3,3), Fermi, Flap, Giga CL, Giga Classic, Hanji, Kaliber, Kipseli, LiquidCore, Metric V1, Metric V2, PancakeSwap V2, PancakeSwap V3, Pons V2 bonding curve, Ramses V3, Ramses DLMM, Ramses legacy (Solidly), RobinSwap V3, SectorOne, Sheriff (Algebra), SushiSwap V3, Swaap V2, SwapHood V2, SwapHood V3, Uniswap V2, V3, and V4, Up, UpCL, and Virtuals.

New Features

  • BStocks support in Swap and Token API: BStocks tokenized equities are now recognized and routable for integrators with tokenized-equity access.
  • kBTC and WBTC bridging in Cross-Chain API: Added LayerZero OFT routes for kBTC (Ethereum, Ink, Optimism, Unichain) and WBTC (Base, BSC, Berachain, Unichain, Sonic, Monad, plus OFT Adapter routes on Ethereum and Optimism).
  • Robinhood Chain bridging in Cross-Chain API: Robinhood Chain is now reachable via Across, CCIP, Relay, the canonical ETH bridge, and OFT routes for USDG, USDe, sUSDe, and weETH.
  • Zero minimum output allowed in Cross-Chain API: A minBuyAmount of 0 is now valid, which is reachable at 100% slippage.

Breaking Changes

  • Mode removed: Mode (34443) is no longer supported by the Swap, Gasless, Cross-Chain, or Token APIs. Requests for chain 34443 are rejected.
  • Blast fully removed: Blast (81457) is no longer supported for Swap API.
  • /gasless-approval-token removed: The endpoint has been retired and removed from the API reference. Approval requirements are returned in the issues.allowance and approval fields of /gasless/quote.

New Liquidity Sources

  • Arbitrum: Added Integral.
  • Base: Added AlienBase Stable, BaseSwap, Infusion, Kinetix, Nabla, Rubicon CLMM, Thick, wBLT, and expanded LunarBase and Virtuals coverage.
  • BSC: Added BabySwap.
  • Ethereum: Added Integral.

New Features

  • CCTP support for Solana in Cross-Chain API: USDC now bridges in both directions between Solana and supported EVM chains over Circle’s CCTP V2.
  • Mayan Swift on HyperEVM in Cross-Chain API: HyperEVM swap-and-bridge routes are now quotable through Mayan Swift.
  • Ondo assets in Swap and Gasless API: Ondo-issued tokens are now tradable by integrators with tokenized-equity access enabled.

Bug Fixes

  • Cross-Chain plans are now dropped when the origin swap partially fills, preventing funds from getting stuck mid-route.
  • Quotes returning zero output are now rejected in Cross-Chain API instead of being returned as valid.
  • Tron addresses without a 0x prefix are now accepted by the Cross-Chain status endpoint.

Breaking Changes

  • Blast removed from Cross-Chain API: Blast (81457) is no longer supported as an origin or destination chain. Quotes for Blast routes now return no liquidity.
  • Mayan Swift v1 removed from Cross-Chain API: Only Mayan Swift v2 is routed. The mayan_swift provider ID is unchanged.

New Liquidity Sources

  • Arbitrum: Added MimSwap.
  • Avalanche: Added Pharaoh DLMM.
  • Base: Added AlienBase V2/V3, BaseX, DackieSwap V2, Equalizer, HydrexLegacy, IziSwap, KimV4, NineMMV2/V3, OmniV3, RocketSwap, SharkSwap V2, SoSwap, Synthswap V2/V3, Treble, TrebleV2/V4, and enabled UniswapV4 hooked pools.
  • BSC: Added BiSwap V3, Ellipsis, MDEX, Nerve, and PancakeSwap Stable.
  • Ethereum: Added Blackhole, Fraxswap V2, Rubicon, ShibaSwap, SkyLite PSM, Stepn, USDD Lite PSM, and enabled UniswapV4 hooked pools.
  • Linea: Added Aqua V2, EchoDEX V3, Etherex, IziSwap, Lynex, Nile, Nile V2, PancakeSwap V3, Secta V2/V3, SpartaDex, SushiSwap V3, SyncSwap Classic/Stable, and Uniswap V3.
  • Polygon: Added Meshswap and PUSD.
  • Scroll: Added Aqua V2, SyncSwap Classic/Stable, and Wombat.

New Features

  • Exact-out support in Swap API: You can now specify a precise buyAmount to receive and the API returns the minimum sell amount required. Responses include maxSellAmount, estimatedNetSellAmount, and a route.refund leg that converts any buy-token surplus back to the sell token. Supports custom recipient and txOrigin parameters. See buyAmount in API reference.
  • Concurrent gasless trades now supported: Gasless /submit now allows multiple in-flight trades for the same taker and sell token, as long as the taker’s balance covers all pending sells.

New Liquidity Sources

  • Arbitrum: Added Fluid, Printr, and Renegade.
  • Avalanche: Added Printr.
  • Base: Added Aerodrome V3, Fluid, LunarBase, Nabla, Printr, a Clanker V2 fork (Uniswap V4), Doppler Rehype (Uniswap V4), and Uniswap Stable Hook (Uniswap V4).
  • BSC: Added Fluid, SmoothyV1, and Printr.
  • Ethereum: Added Fluid, Printr, and Renegade darkpool.
  • Mantle: Added Printr.
  • Optimism: Added Velodrome V3 and Uniswap V2.
  • Polygon: Added Fluid.
  • Tempo: Added Uniswap V2, V3, and V4 support.

New Feature

  • 0x Agent Skill: New agent skill that gives AI coding agents full knowledge of the 0x APIs with a single command. Once installed, agents knows every endpoint, authentication method, and integration pattern for token swaps. Learn more
  • slippagePpm in Swap and Gasless API: Sub-BPS slippage precision is now supported via a new slippagePpm parameter (0–1,000,000). This is mutually exclusive with slippageBps — existing defaults and validations are unchanged. See more in API Reference.

Bug Fixes

  • Improve gas accuracy for Abstract.
  • Improve accuracy with Aave V3.

📣 Announcements

New Chains

  • Tron: Now supported in Cross-Chain API.

New Liquidity Sources

  • Arbitrum: Added Metric, CamelotV3, PancakeV3, UniV3.
  • Avalanche: Added Metric.
  • Base: Added Doppler (Uniswap V4), Feltir, Stabull, Wasabi, Liquid V2 hooks (Uniswap V4), Aquinas hook (Uniswap V4), cbBTC pool, Zora hook (Uniswap V4).
  • BSC: Added Elfomo, Lista Stable, Metric, Pancake Infinity CL.
  • Ethereum: Added Clober V2, DeFiSwap, DodoV2, Metric, Wasabi.
  • HyperEVM: Added Hybra V4, Nabla, UltraSolid V3.
  • Monad: Added BalancerV3.
  • Optimism: Added DackieSwap V3, Rubicon, Velodrome V2.
  • Sonic: Added Equalizer, Metro LB, Metro.

New Features

  • Smart account signatures in Gasless API: Raw signatures from ERC-4337 smart wallets are now accepted in the Gasless API.
  • wrapUnwrapMode in Swap API: Controls how native wrap/unwrap trades are executed — direct (default) calls the wrapped-native contract directly, settler routes through Settler or AllowanceHolder for compatibility. See more

📣 Announcements

New Chains

  • HyperEVM: Now supported in Swap API.
  • Tempo: Now supported in Swap API.