Best Real Estate APIs (2026)
Best Real Estate APIs (2026) are ReefAPI category hubs for live JSON: real-estate APIs return property listings, prices, listing details, locations and market inventory. ReefAPI offers 11 non-legal real estate APIs behind one key, one credit pool and the same { ok, data, meta, error } envelope, with examples derived from the catalog and committed live snapshots.
Ranked Real Estate API list
Ranked by catalog action count, then alphabetically for ties; legal-heavy engines are excluded.
| # | Engine | What it returns | Actions | Snapshot sample | Free tier | Landing |
|---|---|---|---|---|---|---|
| 1 | Zillow | items[]{zpid, url, list_price_usd, price_display, status, property_type, beds, baths, sqft, lot... | 13 | address: 8905 Spearhead Cv, Austin, TX 78717; price_display: $750,000 | yes | View API |
| 2 | Realtor.com API scraper | results[]{property_id, url, list_price_usd, status, property_type, beds, baths, sqft, lot_sqft,... | 7 | list_price_usd: 333990; city: Austin | yes | View API |
| 3 | Rightmove | matches[] (location_identifier/id/type/display_name), count | 6 | price_display: £855,000 | yes | View API |
| 4 | Japan Real Estate | items[]{listing_id, url, title_ja, address_ja, price_jpy, price_ja, madori, area_m2 (+land_area... | 5 | listing_id: [redacted-phone]; bukken_code: [redacted-phone] | yes | View API |
| 5 | Redfin | items[]{property_id, listing_id, url, address_line, city, state_code, postal_code, list_price_u... | 5 | list_price_usd: 1500000; city: Austin | yes | View API |
| 6 | Hemnet.se API scraper | results[]{id, url, street_address, area, housing_form, asking_price{amount_sek}, fee, square_me... | 4 | id: 21698056; url: https://www.hemnet.se/bostad/lagenhet-1rum-sodra-angby-stockholms-kommun-zornvagen-[redact... | yes | View API |
| 7 | Property Snapshot API | property{address_normalized,country,source_engine,source_id,listing_url}, match{mode: url|addre... | 4 | property: US; match: url | yes | View API |
| 8 | Funda.nl API scraper | results[]{id, url, contract, object_type, price{amount_eur, kind}, surface_m2, rooms, bedrooms,... | 3 | address: Raden Adjeng Kartinistraat; price: 500000 | yes | View API |
| 9 | Idealista API scraper | results[]{id, url, title, price, currency, rooms, bathrooms, surface_m2, floor, features[], thu... | 3 | title: Ático en Calle de Dulce Chacón, Virgen del Cortijo - Manoteras, Madrid; price: 1160000 | yes | View API |
| 10 | Immobiliare.it API scraper | results[]{id, url, price_eur, contract, typology, rooms, bedrooms, bathrooms, surface_m2, floor... | 3 | title: Trilocale via Pietro Romualdo Pirotta, Centocelle, Roma; location: Via Pietro Romualdo Pirotta | yes | View API |
| 11 | OnTheMarket API scraper | matches[]{location_id, name, display_name}, count | 3 | title: 3 bedroom semi-detached house for sale; address: Applegarth Drive, Ilford, IG2 | yes | View API |
What each Real Estate API covers
Zillow includes 13 actions (search, search_by_coordinates, search_by_url). US homes with prices, history and estimates. The primary catalog return is items[]{zpid, url, list_price_usd, price_display, status, property_type, beds, baths, sqft, lot....
Realtor.com API scraper includes 7 actions (search, detail, estimates). Realtor.com API scraper The primary catalog return is results[]{property_id, url, list_price_usd, status, property_type, beds, baths, sqft, lot_sqft,....
Rightmove includes 6 actions (location_search, search, property_detail). UK property listings for sale and to rent. The primary catalog return is matches[] (location_identifier/id/type/display_name), count.
Japan Real Estate includes 5 actions (search, detail, areas). Japan property listings and details. The primary catalog return is items[]{listing_id, url, title_ja, address_ja, price_jpy, price_ja, madori, area_m2 (+land_area....
Redfin includes 5 actions (search, listing_detail, similar). US homes for sale, sold and rentals with history. The primary catalog return is items[]{property_id, listing_id, url, address_line, city, state_code, postal_code, list_price_u....
Hemnet.se API scraper includes 4 actions (search, sold, detail). Hemnet.se API scraper The primary catalog return is results[]{id, url, street_address, area, housing_form, asking_price{amount_sek}, fee, square_me....
Property Snapshot API includes 4 actions (snapshot, resolve, batch). Property Snapshot API The primary catalog return is property{address_normalized,country,source_engine,source_id,listing_url}, match{mode: url|addre....
Funda.nl API scraper includes 3 actions (search, detail, area). Funda.nl API scraper The primary catalog return is results[]{id, url, contract, object_type, price{amount_eur, kind}, surface_m2, rooms, bedrooms,....
Idealista API scraper includes 3 actions (search, detail, geography). Idealista API scraper The primary catalog return is results[]{id, url, title, price, currency, rooms, bathrooms, surface_m2, floor, features[], thu....
Immobiliare.it API scraper includes 3 actions (search, detail, geography). Immobiliare.it API scraper The primary catalog return is results[]{id, url, price_eur, contract, typology, rooms, bedrooms, bathrooms, surface_m2, floor....
OnTheMarket API scraper includes 3 actions (location_search, search, property_detail). OnTheMarket API scraper The primary catalog return is matches[]{location_id, name, display_name}, count.
Questions about Real Estate APIs
Which Real Estate API is free?
Every Real Estate API listed here can be tried with ReefAPI's free tier: 1,000 credits on signup, no card required. The current hub includes Zillow, Realtor.com API scraper, Rightmove, Japan Real Estate, Redfin, Hemnet.se API scraper, Property Snapshot API, Funda.nl API scraper, Idealista API scraper, Immobiliare.it API scraper, OnTheMarket API scraper.
Do these Real Estate APIs need login?
No source-site login is needed for the listed ReefAPI responses. You call ReefAPI with an x-api-key header, and each engine returns the standard JSON envelope.
How fresh is the Real Estate data?
Production requests fetch live data through ReefAPI. The table's sample data point comes from the committed snapshot for each engine, and the sitemap uses catalog freshness for recrawling.
What is the best Real Estate API to start with?
Zillow appears first because this hub ranks engines by action count, then alphabetically for ties. Use that as a coverage signal, then choose the API whose returned fields match your workflow.