niche · 1.3

Property Listings

Score 20.1 / 100 57 providers 34 APIs Search apis.io →

Providers using this tag (57)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 2 Solid coverage with minor gaps

Street.co.ukStreet.co.uk (Street Systems Limited, Manchester, England) is a UK estate agency CRM and property managemen...3 APIs57.0 ReapitReapit is a United Kingdom-headquartered supplier of agency CRM and property management software for estate...7 APIs54.5

Developing 14 Usable, with meaningful gaps to close

VaultREVaultRE - now marketed as MRI Vault CRM, after VaultRE's parent Vault Group / PropTech Group was absorbed i...3 APIs53.3 Spark PlatformSpark Platform is the MLS data platform built by FBS, a 100% employee-owned company in Fargo, North Dakota ...3 APIs52.9 Arthur OnlineArthur Online is a London-headquartered UK property management software platform, founded in 2008 and acqui...16 APIs52.1 Alto (Vebra / Zoopla)Alto — formerly Vebra Alto, and still trading through vebra.com — is the United Kingdom's most widely deplo...4 APIs50.5 Domain GroupDomain Group (Domain Holdings Australia Ltd, trading as domain.com.au) is the second of Australia's two nat...13 APIs49.3 RESO (Real Estate Standards Organization)RESO, the Real Estate Standards Organization, is the United States industry body that writes and certifies ...2 APIs47.2 OfferpadOfferpad Solutions Inc. (NYSE: OPAD), headquartered in Chandler, Arizona, is a United States iBuyer and lic...2 APIs45.4 Apex27Apex27 Limited is a United Kingdom estate agency CRM vendor, founded in 2019 and headquartered in the UK, s...2 APIs43.6 CREA (REALTOR.ca)The Canadian Real Estate Association (CREA) is the national industry body for Canadian residential real est...3 APIs43.2 SpriftSprift is a United Kingdom property data aggregator, operated by Sprift Technologies Ltd and founded in 201...7 APIs42.1 TrestleTrestle is the real estate data distribution platform operated by CoreLogic (rebranded Cotality in 2025), s...4 APIs42.0 Keller WilliamsKeller Williams Realty, Inc. (KWRI) is an Austin, Texas headquartered residential real estate franchisor an...3 APIs40.8 Anywhere Real EstateAnywhere Real Estate Inc. (formerly Realogy Holdings Corp., NYSE: HOUS) is one of the largest residential r...23 APIs40.0 REALTOR.caREALTOR.ca is the national residential property listing portal of the Canadian Real Estate Association (CRE...4 APIs39.3

Thin 10 Limited public surface area

ZooplaZoopla Limited is one of the two dominant residential property portals in the United Kingdom, operating zoo...3 APIs38.4 PurplebricksPurplebricks is the United Kingdom's largest online (hybrid) estate agency, founded in 2014 by Michael and ...13 APIs38.0 WahiWahi is a Toronto-headquartered Canadian digital real estate platform and licensed brokerage — Wahi Inc., t...2 APIs37.2 PricefinderPricefinder is an Australian property intelligence and valuation platform operating at pricefinder.com.au, ...10 APIs36.9 HouseSigmaHouseSigma, Inc. Brokerage is a Toronto-based Canadian residential real estate portal and licensed brokerag...1 API33.2 MLS GridThe MLS Grid is a United States MLS data-distribution cooperative created by a network of Multiple Listing ...1 API32.4 National Association of REALTORSThe National Association of REALTORS (NAR) is the largest trade association in the United States, represent...1 API31.7 RightmoveRightmove is the United Kingdom's largest residential property portal, operated by Rightmove Group Limited ...2 APIs31.6 Knight FrankKnight Frank LLP is a London-headquartered global real estate consultancy founded in 1896, structured as a ...1 API30.1 CoreLogic AustraliaCoreLogic Australia — trading as Cotality since the 2025 global rebrand, and operating the RP Data platform...26 APIs28.1

Emerging 20 Early or largely undocumented

Homes.comHomes.com is a United States residential real estate portal owned by CoStar Group, which acquired the prope...25.4 Connells GroupConnells Limited, trading as Connells Group, is the United Kingdom's largest estate agency and property ser...1 API24.1 RE/MAX CanadaRE/MAX Canada is the Canadian arm of RE/MAX, LLC, operating the remax.ca consumer portal in English and Fre...1 API23.2 AvailAvail is a landlord-focused rental management platform offering tools for property listings, tenant applica...1 API22.2 View.com.auView.com.au is an Australian residential property portal operated by View Media Group Pty Ltd (ACN 619 657 ...1 API22.2 LoopNetLoopNet is the leading commercial real estate marketplace, owned by CoStar Group, offering access to proper...1 API22.0 AgentboxAgentbox - rebranded Reapit Sales after its acquisition by the UK-headquartered proptech group Reapit - is ...1 API21.1 CasavoCasavo Management S.p.A. is an Italian proptech company founded in Milan in 2017 by Giorgio Tinacci that op...1 API20.4 RE/MAXRE/MAX Holdings, Inc. (NYSE: RMAX, SIC 6531, Denver, Colorado) is one of the world's largest real estate br...3 APIs19.8 FoxtonsFoxtons Group plc is a London-focused UK estate agency, founded in 1981 and listed on the London Stock Exch...18.4 Apartments.comApartments.com is the largest United States rental-listings marketplace, owned by CoStar Group since its 20...18.0 Royal LePageRoyal LePage is Canada's largest residential real estate brokerage brand, founded in Toronto in 1913 as A.E...17.3 OnTheMarketOnTheMarket is the third-largest residential property portal in the United Kingdom, operating onthemarket.c...1 API16.2 Rentals.caRentals.ca is a Toronto-headquartered residential rental marketplace and the flagship brand of the Rentals....3 APIs15.2 RealtynaRealtyna provides real estate technology including IDX, RESO Web API integrations, MLS data routing, and a ...3 APIs14.1 Ray WhiteRay White is Australasia's largest real estate group, a family-owned brokerage network founded in 1902 and ...13.9 ZoloZolo is one of Canada's largest national residential real estate marketplaces and a licensed brokerage, ope...13.7 CBRE AustraliaCBRE Australia is the Australian arm of CBRE Group, the global commercial real estate services and investme...13.1 ShwepropertyShweproperty (ShweProperty.com) is Myanmar's leading online real estate marketplace, founded in 2015, conne...12.8 Douglas EllimanDouglas Elliman Inc. (NYSE: DOUG) is a residential real estate brokerage founded in 1911 and headquartered ...12.4

Minimal 11 Almost no public developer surface

99.co99.co (99 Group) is a Singapore-headquartered real estate technology company and one of the largest propert...10.0 LJ HookerLJ Hooker is one of the largest residential and commercial real estate brokerage and property management ne...9.9 IADIAD Group (I@D International) is a European real-estate network company that combines real estate, digital ...9.2 Century 21 CanadaCENTURY 21 Canada Limited Partnership is the Canadian master franchisor of the CENTURY 21® real estate bran...8.7 SavillsSavills plc is a London-headquartered global real estate advisor, established in 1855, listed on the London...8.7 Khmer HomeKhmerhome (khmerhome.com) is Cambodia's real estate marketplace, based in Phnom Penh, connecting buyers, re...7.6 McGrathMcGrath is one of Australia's largest residential real estate brokerage networks, founded in Sydney in 1988...7.1 FazWazFazWaz is a Thailand-based property technology company operating one of the most comprehensive real estate ...6.1 ProperlyProperly was a Toronto-based Canadian digital real estate brokerage founded in 2018 that began as one of th...6.0 ZipMatchZipMatch was an online real estate marketplace and property portal based in the Philippines, backed by 500 ...5.0 Realtor.comRealtor.com is a real estate listings website operated by Move, Inc., a subsidiary of News Corp, headquarte...2.4

APIs with this tag (34)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Strong 3 Solid coverage with minor gaps

Street Open APIThe main Street.co.uk platform API — a JSON:API-conformant REST interface over the estate agency system of ...57.0 Street Property Feed APIA read-only property feed API for powering an agency's own website and property search — sales search, lett...57.0 Reapit Foundations Platform REST APIThe core Foundations REST API over the Reapit agency CRM data platform. It is documented as a hypermedia RE...54.5

Developing 15 Usable, with meaningful gaps to close

Spark APIFBS's proprietary REST API over Flexmls MLS content. Documented services include Listings (plus photos, doc...52.9 Spark RESO Web APISpark's implementation of the RESO Web API, exposed as an OData service at the /Reso/OData endpoint and ser...52.9 Alto APIThe full Alto REST API for UK estate agency operations — 95 documented paths across 27 resource families co...50.5 Zoopla Leads APISwagger 2.0 poll API for retrieving applicant leads and appraisal (valuation) leads generated on the Zoopla...50.5 Zoopla Premium Listing Activations APIOpenAPI 3.0.0 contract for activating and inspecting Zoopla Premium Listing products against a property lis...50.5 Zoopla Weekly Featured Property (WFP) Activations APIOpenAPI 3.0.0 contract for activating Zoopla Weekly Featured Property placements against a listing, exposed...50.5 Domain Agents & Listings APIAccess data on agencies, agents, and for-sale, for-rent, commercial, business, and project listings directl...49.3 Apex27 CRM APIThe Apex27 CRM API is the vendor's REST interface over the estate agency CRM, covering contacts, leads, lis...43.6 Apex27 Portal APIThe Apex27 Portal API is the per-tenant, website-facing API that drives search and enquiry on Apex27-built ...43.6 REALTOR.ca DDF Lead APIThe DDF Lead API is a single documented POST endpoint, /v1/Lead/CreateLead, on the same ddfapi.realtor.ca h...43.2 REALTOR.ca DDF Web APIThe REALTOR.ca DDF (Data Distribution Facility) Web API is CREA's national listing syndication API. CREA do...43.2 Sprift Insider APIThe Insider tag of the published Sprift v1 contract — two operations exposing the market intelligence produ...42.1 Trestle RESO Web APIThe primary Trestle interface — a RESO Web API 2.0 / OData 4.0 endpoint that republishes MLS data mapped to...42.0 KW Worldwide Listings Search APIThe only Keller Williams API whose specification is published anonymously in the DevHub API catalog. The KW...40.8 REALTOR.ca DDF Web APIThe REALTOR.ca Data Distribution Facility (DDF®) Web API is CREA's national listing distribution surface, e...39.3

Thin 8 Limited public surface area

Zoopla Premium Listing Activations APIREST API that lets a member agent's CRM activate the Premium Listing product against a Zoopla listing, read...38.4 Zoopla Weekly Featured Property (WFP) Activations APIREST API for activating the Weekly Featured Property product on a Zoopla listing from an agency CRM, readin...38.4 Wahi Listing Search APIWahi's own real estate API, and the only machine-readable contract it authors. Discovered through https://w...37.2 Pricefinder Sales, Rentals & Listings APIRetrieval of individual sale, rental and listing records by identifier, and enumeration of sales, rentals a...36.9 MLS Grid Web API v2MLS Grid's RESO Web API — a replication-oriented OData v4 surface over listing data normalized to the RESO ...32.4 Rightmove Commercial Listings APIThe Commercial Listings API allows commercial agents and feed providers to upload, update, retrieve and rem...31.6 Rightmove Real Time Data Feed APIThe Real Time Data Feed (RTDF) is Rightmove's incremental HTTPS/JSON interface for UK sales, lettings and o...31.6 CoreLogic Australia Search APIProperty search and address matching across Australia — radius search by latitude/longitude, and filtered s...28.1

Emerging 8 Early or largely undocumented

Avail APIAvail platform API providing programmatic access to rental property management capabilities including listi...22.2 View.com.au Property MCP ServerA publicly reachable, unauthenticated Model Context Protocol server (streamable HTTP, serverInfo name "view...22.2 LoopNet Listings APIAccess commercial real estate property listings including office, retail, industrial, multifamily, land, an...22.0 Agentbox APIThe production Agentbox (Reapit Sales) REST API used by approved integration partners to read and write age...21.1 RE/MAX Europe Listings APIThe RE/MAX Europe Listings API is used in conjunction with the RE/MAX EU Datahub application to add, update...19.8 OnTheMarket Real Time Datafeed (RTDF) APIOnTheMarket's member-only feed API for estate-agency CRM software. It is modelled on the Rightmove Real Tim...16.2 Rentsync Partners REST APIREST API described on the public Rentsync Partners portal (branded "LIFT System API") as giving partners "a...15.2 Realtyna WPL API PluginThe WPL API Plugin is a RESTful HTTP/JSON interface for the Realtyna WPL WordPress platform. It supports us...14.1

Score breakdown

Frequency

53.1

log-scaled weighted occurrences

Breadth

1.6

spread across providers

Quality lift

32.2

mean composite of providers using it

Cohesion

0.0

strength of nearest seed neighbor

Where this tag comes from

Provider tag55

Api tag34

Property Listings

Providers using this tag (57)

APIs with this tag (34)

Score breakdown

Related tags

Where this tag comes from