niche · 0.0 market industry

Directory

Score 19.5 / 100 18 providers +54 via APIs 63 APIs Search apis.io →
Variants seen in the corpus: DIRECTORYDirectorydirectory

Providers using this tag (18)

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

Developing 3 Usable, with meaningful gaps to close
Thin 3 Limited public surface area
Emerging 6 Early or largely undocumented
Minimal 6 Almost no public developer surface

APIs with this tag (62)

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 →

Exemplar 4 Complete, well-documented, and agent-ready
Strong 3 Solid coverage with minor gaps
Developing 33 Usable, with meaningful gaps to close
CAP / Stanford Profiles APIAPI over the Community Academic Profiles directory (18,000+ faculty, students, postdocs and staff). The int...54.1Contact Search APIExpert and contact search, used by the public helsinki.fi pages and the Flamma intranet. OpenAPI 3.1.0, 22 ...54.1Eligible Payers APIThe Payers API exposes the directory of insurance payers supported by Eligible, including payer identifiers...54.1EmployeeInformationAPIEmployee information lookup. Returns records about identifiable staff — structural examples only, no live r...54.1PersonGroupSelected groups and their member data. Personal data; structural examples only.54.1Blubrry Podcast Network APIThe Blubrry Podcast Network API provides access to user subscriptions with show management, episode metadat...53.7Tenable Directory APIRepresents an Active directory53.6C1 Directory APIThe Directory API from C1 — 2 operation(s) for directory.53.5APIContext Suppliers APIList API suppliers and read a project's supplier set and supplier results — the API-directory surface that ...51.9NCI Resources for Researchers APIBacks NCI's Resources for Researchers directory — searchable metadata about NCI tools, datasets, repositori...51.8People APIRead and manage the authenticated user contacts and profiles, and search the directory.50.6KU Leuven Curriculum Information (Curriculuminformatie) APIICTS Data Services index of academic curriculum and CV records — discipline codes, research topics and the ...50.4KU Leuven Organizational Chart (Organigram) APIICTS Data Services REST API exposing public organizational-structure information matching the institutional...50.4KU Leuven Person Information APIICTS Data Services REST API exposing public personnel / who-is-who person information. An expanded intranet...50.4Meta Agent Tools APIREST/HTTP API for a registry of MCP servers, agent skills and plugins — public catalog search, publishing/e...48.9ConductorOne Directory APIThe Directory API from ConductorOne — 2 operation(s) for directory.48.4McMaster Experts APIPublic, unauthenticated JSON API behind McMaster Experts, the university's researcher and expertise discove...48.2Relativity Directory APIThe Directory API from Relativity — 2 operation(s) for directory.46.4PoliTO Public Search Web Services (people, departments, teachings, rooms)Four keyless JSON web services operated by Politecnico di Torino on its own hosts, found on 2026-08-30 in t...45.7CU Directory of ClassesThe public web directory of Columbia University class offerings, browsable by subject, department, semester...44.7Roadsync directory APIThe directory API from Roadsync — 1 operation(s) for directory.44.0DartAPIDartmouth's institutional API platform, serving resource APIs such as People (directory identity) and Nextg...43.9AlayaCare Directory APIThe Directory API from AlayaCare — 1 operation(s) for directory.43.6PHAIDRA directory API (University of Vienna)Requests related to users, user groups and organisation structure43.5UK Open Banking Directory APITechnical API describing the Open Banking Directory, including participant registration, Software Statement...42.7Directory of Healthcare Services (Service Search) APISearch for NHS healthcare services across England including GPs, dentists, opticians, hospitals, pharmacies...42.6Spine Directory Service - FHIR APIQuery the Spine Directory Service (SDS) to look up endpoint information, organisation codes, and service me...42.6Aalto People Profile APIA two-path proxy over Aaltopeople returning groups and public staff profiles. OpenAPI 3.0.1, version 1.0.3,...42.2Princeton OIT API GatewayPrinceton's Office of Information Technology enterprise API gateway, running WSO2 API Manager. Fronts insti...42.1legal.ge Public APIs Directory APILook up services, practice areas and verified specialists on legal.ge.41.5Penn Clubs APIJSON API behind Penn Clubs, the student-organization directory that Penn's Office of Student Affairs adopte...40.1Kno2 Directory APIValidate Direct addresses and list document types.39.9Massey M-API WebService API v1Massey University's own news, events and staff-directory web service. A single endpoint, /api/v1/massey.cfc...39.6
Thin 13 Limited public surface area
Emerging 8 Early or largely undocumented
Minimal 1 Almost no public developer surface

Companies reaching this through an API (54)

These companies publish an API, specification or operation carrying “Directory” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Aalto University Affiliated Managers Group AlayaCare APIContext Applied Systems Aserto Australian Digital Health Agency BambooHR Blubrry API Bureau of Indian Affairs C1 Cancer.gov Casdoor Center for Parent Information and Resources Certifyos Columbia University ConductorOne Dartmouth College Eligible FedNow Service Glean Google Workspace Intermedia Kno2 Konsentus KU Leuven Let's Encrypt Linea Massey University Matrix McMaster University Microsoft Active Directory Microsoft Entra ID (formerly Azure AD) NHS Digital Nura Bio Nuxeo openEHR OpenLDAP Politecnico di Torino Princeton University Relativity Reown Roadsync SendPulse Shodan SpaceAPI Stanford University Subsplash Syllable Tenable
Show all 54 companies ↓

Score breakdown

Frequency
56.2
log-scaled weighted occurrences
Breadth
0.5
spread across providers
Quality lift
23.1
mean composite of providers using it
Cohesion
4.9
strength of nearest seed neighbor

Related tags

People 11 co-occurrences Course Catalog 10 co-occurrences Shibboleth 12 co-occurrences Role 5 co-occurrences Research Data 11 co-occurrences Courses 6 co-occurrences Identity Federation 12 co-occurrences SAML 13 co-occurrences

Where this tag comes from

Api tag62
Provider tag18
Openapi tag22
Openapi op tag98

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Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

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The distribution (Pro)
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