Search Comps Buscar Comparables

// Vercel Serverless Function
// File: api/analyze.js

const RENTCAST_KEY = process.env.RENTCAST_API_KEY;
const REALTYMOLE_KEY = process.env.REALTYMOLE_API_KEY;

export default async function handler(req, res) {
  // CORS headers
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET');
  
  const { address } = req.query;
  
  if (!address) {
    return res.status(400).json({ 
      error: 'Address is required' 
    });
  }

  try {
    // Fetch property data from RealtyMole
    const propertyRes = await fetch(
      `https://realty-mole-property-api.p.rapidapi.com/properties?address=${encodeURIComponent(address)}`,
      {
        headers: {
          'X-RapidAPI-Key': REALTYMOLE_KEY,
          'X-RapidAPI-Host': 'realty-mole-property-api.p.rapidapi.com'
        }
      }
    );
    const propertyData = await propertyRes.json();
    
    // Fetch sales comps
    const compsRes = await fetch(
      `https://realty-mole-property-api.p.rapidapi.com/saleListings?address=${encodeURIComponent(address)}&radius=0.5&limit=5`,
      {
        headers: {
          'X-RapidAPI-Key': REALTYMOLE_KEY,
          'X-RapidAPI-Host': 'realty-mole-property-api.p.rapidapi.com'
        }
      }
    );
    const salesComps = await compsRes.json();

    // Fetch rent estimate from RentCast
    const rentRes = await fetch(
      `https://api.rentcast.io/v1/avm/rent/long-term?address=${encodeURIComponent(address)}`,
      {
        headers: { 'X-Api-Key': RENTCAST_KEY }
      }
    );
    const rentData = await rentRes.json();

    // Format response
    return res.status(200).json({
      subject: {
        address: address,
        estimatedValue: propertyData[0]?.price || 0,
        squareFootage: propertyData[0]?.squareFootage || 0,
        bedrooms: propertyData[0]?.bedrooms || 0,
        bathrooms: propertyData[0]?.bathrooms || 0,
        yearBuilt: propertyData[0]?.yearBuilt || 0
      },
      sales_comps: salesComps || [],
      rent_comps: rentData?.comparables || [],
      proforma: calculateProforma(
        propertyData[0]?.price,
        rentData?.rent
      ),
      market: { /* market data */ }
    });
  } catch (error) {
    return res.status(500).json({ 
      error: error.message 
    });
  }
}

{
  "subject": {
    "address": "1208 Eva St, Durham, NC",
    "estimatedValue": 245000,
    "squareFootage": 1456,
    "bedrooms": 3,
    "bathrooms": 2,
    "yearBuilt": 1985,
    "pricePerSqFt": 168
  },
  "sales_comps": [
    {
      "address": "1215 Eva St",
      "price": 242000,
      "squareFootage": 1420,
      "bedrooms": 3,
      "bathrooms": 2,
      "saleDate": "2025-12-15",
      "distance": "0.1"
    }
  ],
  "rent_comps": [
    {
      "address": "1210 Eva St",
      "rent": 1650,
      "squareFootage": 1400,
      "bedrooms": 3,
      "bathrooms": 2,
      "status": "Active",
      "distance": "0.05"
    }
  ],
  "proforma": {
    "noi": 11365,
    "capRate": 4.6,
    "cashflow": 947,
    "roi": 22.8
  },
  "market": {
    "medianPrice": 268500,
    "daysOnMarket": 21,
    "homesSold": 156,
    "inventory": 42
  }
}