stale · 0.0 capability resource

Subjects

Score 16.8 / 100 1 providers +13 via APIs 14 APIs Search apis.io →

Providers using this tag (1)

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

Emerging 1 Early or largely undocumented
Open LibraryAuthorsBooksCatalogCovers1 API24.2

APIs with this tag (14)

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
Factset Subjects APIThe Subjects API from Factset — 2 operation(s) for subjects.63.0University of Waterloo Subjects APIThe Subjects API from University of Waterloo — 3 operation(s) for subjects.60.4Osano Subjects APIThe Subjects API from Osano — 9 operation(s) for subjects.54.4
Developing 5 Usable, with meaningful gaps to close
Inth Subjects APIThe Subjects API from Inth — 2 operation(s) for subjects.49.7Amazon Web Services Subjects APIThe Subjects API from Amazon Web Services — 1 operation(s) for subjects.49.4University of California, Santa Barbara Subjects APIThe Subjects API from University of California, Santa Barbara — 2 operation(s) for subjects.47.7Pryon Subjects APIThe Subjects API from Pryon — 6 operation(s) for subjects.41.7VivaLNK Subjects APISubjects (patients / study participants) enrolled for monitoring.39.8
Thin 4 Limited public surface area
OpenMeter Subjects APISubjects that usage is metered against.37.7Cardiff University Subjects APIReference list of subject codes. 1 operation(s), from Cardiff's own LookupsApi contract on the api.data.car...37.5Teachworks Subjects APISubjects taught.34.3Confluent Schema Registry Subjects APIThe Subjects API from Confluent Schema Registry — 6 operation(s) for subjects.33.4
Emerging 2 Early or largely undocumented
Medrio Subjects APICreate, list, and update clinical trial subjects within a study; manage Medrio and study subject identifier...24.4Open Library Subjects APIRetrieve books, works, and metadata grouped by subject (genre, topic, place, time, person) with paging and ...24.2

Companies reaching this through an API (13)

These companies publish an API, specification or operation carrying “Subjects” 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.

Amazon Web Services Cardiff University Confluent Schema Registry Factset Inth Medrio OpenMeter Osano Pryon Teachworks University of California, Santa Barbara University of Waterloo VivaLNK

Score breakdown

Frequency
41.9
log-scaled weighted occurrences
Breadth
0.0
spread across providers
Quality lift
29.7
mean composite of providers using it
Cohesion
2.4
strength of nearest seed neighbor

Related tags

Status 5 co-occurrences Event 5 co-occurrences

Where this tag comes from

Api tag14
Provider tag1
Openapi tag12
Openapi op tag42

Work with this as data

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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 →

Call it yourself

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This tag 
curl "https://apis.io/api/v1/tags/subjects"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/subjects"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/subjects/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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