Step 2: Quote Request

const quote = await fetch(
  "https://api.unikron.ch/api/v1/quote?" +
    "sellToken=0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2&" + // WETH
    "buyToken=0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48&" + // USDC
    "sellAmount=1000000000000000000&" + // 1 WETH (18 decimals)
    "user=0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb", // Your address
  { headers: { "X-API-Key": "YOUR_KEY" } }
);
 
const { data } = await quote.json();

{
  "source": "KyberSwap", // Optimal execution venue
  "sellToken": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", // Token being sold
  "buyToken": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // Token being bought
  "sellAmount": "1000000000000000000", // Input amount
  "buyAmount": "3700000000", // Expected output amount (6 decimals for USDC)
  "minBuyAmount": "3693000000", // Minimum acceptable output (includes slippage tolerance)
  "estimatedGas": 250000, // Gas consumption estimate in units
  "priceImpact": 0.12, // Price impact percentage
  "dexRoute": {
    "dex": "KyberSwap",
    "target": "0x6131...", // Router contract address for token approval
    "path": ["0xC02aa...", "0xA0b86..."], // Swap path
    "data": "0xe21fd0e9..." // Encoded transaction calldata (immutable)
  },
  "scoring": {
    "netValueUsd": 3700.0, // Net value after fees
    "gasCostUsd": 8.5 // Estimated gas cost in USD
  },
  "alternatives": [
    {
      "source": "ParaSwap",
      "buyAmount": "3695000000",
      "netValueUsd": 3695.0
    }
  ],
  "mevAnalysis": {
    "threatLevel": "MEDIUM", // LOW, MEDIUM, or HIGH
    "estimatedProtectionUsd": 0.85 // Estimated MEV protection value
  },
  "mevProtection": {
    "provider": "MEV Blocker",
    "transactionParams": {
      // Complete transaction object for signing
      "to": "0x6131...", // Target contract address
      "data": "0xe21fd0e9...", // Transaction data
      "value": "0", // ETH value (0 for ERC-20 swaps)
      "gasLimit": "375000", // Maximum gas limit
      "maxFeePerGas": "3000000000", // Maximum fee per gas unit (wei)
      "maxPriorityFeePerGas": "0", // Priority fee (tip to miners)
      "nonce": 42, // Transaction nonce
      "chainId": 1, // Ethereum mainnet
      "type": 2 // EIP-1559 transaction type
    }
  }
}