niche · 0.8

Transit

Score 17.4 / 100 31 providers 13 APIs Search apis.io →

Providers using this tag (31)

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

Strong 1 Solid coverage with minor gaps
Developing 2 Usable, with meaningful gaps to close
Thin 14 Limited public surface area
Emerging 8 Early or largely undocumented
Minimal 6 Almost no public developer surface

APIs with this tag (13)

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 1 Solid coverage with minor gaps
Developing 1 Usable, with meaningful gaps to close
Thin 7 Limited public surface area
Emerging 4 Early or largely undocumented

Score breakdown

Frequency
43.5
log-scaled weighted occurrences
Breadth
0.8
spread across providers
Quality lift
31.7
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Related tags

GTFS 10 co-occurrences Public Transportation 8 co-occurrences Stops 6 co-occurrences Bus 5 co-occurrences Rail 6 co-occurrences Vehicles 6 co-occurrences Routes 5 co-occurrences Mobility 10 co-occurrences

Where this tag comes from

Api tag13
Provider tag24
Openapi tag1
Openapi op tag5

Cohort brief

Auto-generated

The 31 providers in the APIs.io catalog tagged Transit, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
31
all scored
Mean Kin Score
26.2
+5.5 vs catalog 20.7
Mean Agent Readiness
14.1
+4.4 vs catalog 9.7
Spread
5–60.6
median 27.9 · σ 13.2
How the 31 split by band
Exemplar 0Strong 1Developing 2Thin 14Emerging 8Minimal 6
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 29.5 17.5 +12 31
Discoverability 67 60.4 +6.6 31
Developer Ergonomics 20.5 17.9 +2.6 31
Access Clarity 24.7 22.3 +2.4 31
Operational Transparency 12.9 11.3 +1.6 31
Contract Governance 5.5 6.4 -0.9 31

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 6% 16% -10
MCP server (first-party) 3% 7% -4
Agent Skills 0% 0% 0
OAuth scopes 0% 9% -9
Security 97% 88% +9
Arazzo workflows 0% 2% -2
Governance rules 23% 13% +10

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 Amazon Web Services (AWS) 60.6
  2. 2 Optibus 48.2
  3. 3 SK Telecom 44.5
  4. 4 Walk Score 38.5
  5. 5 Chicago Transit Authority 37.7
  6. 6 OneBusAway 36.5
  7. 7 Transit 36.3
  8. 8 Sound Transit 34.2
  9. 9 MBTA 34
  10. 10 US Department of Transportation 32.7
Top by Agent Readiness
  1. 1 SK Telecom 43.7
  2. 2 BNSF 34.2
  3. 3 Optibus 30.8
  4. 4 Walk Score 28.7
  5. 5 Metro Transit 23
  6. 6 Chicago Transit Authority 22.9
  7. 7 MBTA 22.9
  8. 8 OneBusAway 22.9
  9. 9 Transit 22.9
  10. 10 Moovit 20
All 31 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

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

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

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