Utils library for 1inch Fusion Mode Installation Npm npm install @1inch/fusion-sdk Yarn yarn add @1inch/fusion-sdk Modules docs auction-calculator auction-salt auction-suffix fusion-order sdk How to swap with Fusion Mode const makerPrivateKey = '0x123....' const makerAddress = '0x123....' const nodeUrl = '....' const blockchainProvider = new PrivateKeyProviderConnector( makerPrivateKey, new Web3(nodeUrl) ) const sdk = new FusionSDK({ url: 'https://fusion.1inch.io', network: 1, blockchainProvider }) sdk.placeOrder({ fromTokenAddress: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', // WETH toTokenAddress: '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48', // USDC amount: '50000000000000000', // 0.05 ETH walletAddress: makerAddress }).then(console.log)