stale · 0.6

Undocumented

Score 14.8 / 100 15 providers 18 APIs Search apis.io →

Variants seen in the corpus: Undocumentedundocumented

Providers using this tag (15)

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

Developing 4 Usable, with meaningful gaps to close

Nord SecurityNord Security is a Lithuania-founded digital security and privacy company whose consumer and business portf...10 APIs51.0 Ontario Energy BoardThe Ontario Energy Board (OEB) is the independent regulator of Ontario's electricity and natural gas sector...2 APIs47.1 OfferpadOfferpad Solutions Inc. (NYSE: OPAD), headquartered in Chandler, Arizona, is a United States iBuyer and lic...2 APIs45.4 EmpaticaEmpatica Inc. is an MIT Media Lab spinoff, founded in Cambridge, Massachusetts, that builds FDA-cleared med...3 APIs40.0

Thin 2 Limited public surface area

Victoria University of WellingtonTe Herenga Waka—Victoria University of Wellington is a public research university in Wellington, New Zealan...4 APIs31.0 Level HomeLevel Home is the Redwood City, California maker of the "invisible" Level smart lock family — Level Lock, L...2 APIs30.5

Emerging 7 Early or largely undocumented

Carrum HealthCarrum Health operates a value-based Centers of Excellence (COE) platform that connects self-insured employ...1 API25.4 Corporate Travel ManagementCorporate Travel Management (CTM) is a Brisbane-founded, ASX-listed (CTD) travel management company establi...1 API24.6 Connells GroupConnells Limited, trading as Connells Group, is the United Kingdom's largest estate agency and property ser...1 API24.1 Arizona State UniversityArizona State University (ASU) is a large public research university based in Tempe, Arizona, United States...4 APIs23.1 JobGetJobGet is a Boston, Massachusetts based hourly and frontline hiring network that operates a mobile-first jo...2 APIs22.9 SaskPowerSaskPower — the Saskatchewan Power Corporation — is the Crown corporation that owns and runs essentially th...5 APIs19.8 ResyResy is a restaurant reservation and discovery platform owned by American Express. Resy does not maintain a...3 APIs12.5

Minimal 2 Almost no public developer surface

Let's Do ThisLet's Do This is an endurance-events marketplace where participants discover and register for mass-particip...1 API8.6 PECO EnergyPECO Energy Company is the largest electric and natural gas utility in Pennsylvania, serving roughly 1.7 mi...1 API4.2

APIs with this tag (17)

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 →

Developing 3 Usable, with meaningful gaps to close

NordVPN Public Server APIUnauthenticated JSON API that NordVPN's own clients and the open-source Linux client use to enumerate the s...51.0 OEB Regulatory Document Search (RDS)The OEB's public regulatory document search, serving every filing, decision, order, licence, code amendment...47.1 Offerpad Helix API (private customer backend)Offerpad's real transaction API, and it is closed. Discovered on 2026-07-26 as the API_URL constant compile...45.4

Thin 2 Limited public surface area

Website Global Object EndpointAn undocumented JSON configuration endpoint served by the university's main website that returns global sit...31.0 Level Mobile Application BackendThe undocumented HTTPS backend the Level Home iOS and Android applications talk to. It is an AWS API Gatewa...30.5

Emerging 10 Early or largely undocumented

Carrum Health Platform ServicesThe internet-facing REST services that power the Carrum Health member application (my.carrumhealth.com): co...25.4 CTM Portal Host APIThe private back-end API for CTM Portal, CTM's single sign-on customer portal. It is not documented, not an...24.6 Connells Website JSON API (undocumented)An undocumented, unauthenticated, read-only JSON surface served by the Connells consumer website at https:/...24.1 ASU Course Catalog & Class SearchASU publishes a public course catalog and class search at catalog.apps.asu.edu (with a legacy interface at ...23.1 JobGet Platform APIThe production API host that backs the JobGet mobile applications and employer web experience. The host is ...22.9 SaskPower Live Outage JSON FeedThe undocumented JSON endpoint behind SaskPower's public outage map, found in the markup of the Outage Map ...19.8 SaskPower Outage Map KML FeedThe KML data feed behind SaskPower's public outage map, referenced directly in the markup of the Outage Map...19.8 SaskPower Power Use Dashboard DataThe undocumented JSON endpoint behind SaskPower's public "Where Your Power Comes From" page. A single anony...19.8 SaskPower Smart Meter Installation Map KML FeedThe KML data feed behind SaskPower's Smart Meter Installation Map, requested by the site's own SP.scripts.j...19.8 Resy Internal Web/Mobile API (Undocumented)Resy's web and mobile clients communicate with an internal API at api.resy.com. This API is not publicly do...12.5

Minimal 2 Almost no public developer surface

Let's Do This GraphQL (undocumented)Live GraphQL endpoint backing the Let's Do This consumer marketplace. Discovered by probe, not published as...8.6 Exelon Utilities Content API (Internal)Shared Exelon Utilities backend (eudapi.peco.com) referenced by the PECO web portal's runtime configuration...4.2

Score breakdown

Frequency

32.8

log-scaled weighted occurrences

Breadth

0.4

spread across providers

Quality lift

32.7

mean composite of providers using it

Cohesion

0.0

strength of nearest seed neighbor

Related tags

Company 5 co-occurrences

Where this tag comes from

Api tag18