API Catalog Real Estate APIs

Real Estate APIs

Property data, valuations & records

Real estate APIs for property data, automated valuations, and public records access.

Property Details

Popular

Get detailed property information including square footage, bedrooms, lot size, and more.

GET /api/v1/realestate/property
?address=123+Main+St&city=Austin&state=TX

// Response
{ "property_id": "TX-123456",
  "address": "123 Main St, Austin, TX",
  "bedrooms": 4, "bathrooms": 3,
  "sqft": 2450, "lot_size": 8500,
  "year_built": 2015 }
Property Data Square Footage Features

Home Valuation

Automated property valuation (AVM) with confidence scores and value ranges.

POST /api/v1/realestate/valuation
{ "address": "123 Main St, Austin, TX" }

// Response
{ "estimated_value": 485000,
  "value_low": 460000,
  "value_high": 510000,
  "confidence": 0.92,
  "price_per_sqft": 198 }
AVM Confidence Score Value Range

Ownership Records

Get property ownership history including purchase dates, prices, and owner information.

GET /api/v1/realestate/ownership
?property_id=TX-123456

// Response
{ "current_owner": "John Smith",
  "purchase_date": "2020-03-15",
  "purchase_price": 425000,
  "history": [
    { "owner": "Jane Doe",
      "from": "2015-06", "to": "2020-03" }
] }
Owner Info Sale History Public Records

Comparable Sales

Find comparable property sales (comps) within a specified radius and time period.

POST /api/v1/realestate/comps
{ "address": "123 Main St, Austin, TX",
  "radius_miles": 1, "months": 6 }

// Response
{ "comps": [
  { "address": "456 Oak Ave",
    "sale_price": 475000,
    "sale_date": "2025-11-20",
    "sqft": 2380, "distance": 0.3 }
] }
Comps Recent Sales Proximity

Mortgage Rates

Get current mortgage rates for various loan types, terms, and credit profiles.

GET /api/v1/realestate/mortgage-rates
?loan_type=conventional&term=30

// Response
{ "loan_type": "conventional",
  "term_years": 30,
  "rate": 6.75, "apr": 6.89,
  "updated": "2026-01-19",
  "rates_by_credit": {
    "excellent": 6.50, "good": 6.75 }
}
Current Rates Multiple Terms APR

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