niche · 0.2

Public Data

Score 18.1 / 100 11 providers 6 APIs Search apis.io →
Variants seen in the corpus: Public Datapublic-data

Providers using this tag (11)

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

Exemplar 2 Complete, well-documented, and agent-ready
KonbiniAPIKonbiniAPI is the social data layer for Instagram, TikTok, X, Reddit and LinkedIn, normalizing real-time pu...6 APIs74.2BullishBullish is an institutional digital-asset exchange and custodian operating a regulated spot, perpetual, dat...32 APIs68.4
Developing 5 Usable, with meaningful gaps to close
Bargo Congress Trades APIA free JSON REST API and hosted MCP server from Bargo that normalizes U.S. House and Senate STOCK Act secur...4 APIs53.4Southwest Power PoolSouthwest Power Pool (SPP) is a nonprofit Regional Transmission Organization regulated by the Federal Energ...6 APIs53.4BeazleyBeazley plc is a London-headquartered specialty insurer and one of the largest managing agents at Lloyd's o...9 APIs52.3openFDAopenFDA is the U.S. Food and Drug Administration's public data platform, providing Elasticsearch-backed RES...6 APIs50.8OpendatasoftOpen data platform with REST APIs for accessing public datasets from 1,000+ cities and organizations, provi...4 APIs47.5
Thin 1 Limited public surface area
Food and Drug AdministrationopenFDA is an Elasticsearch-based public API that serves FDA data on drugs, devices, foods, animal/veterina...6 APIs32.4
Emerging 2 Early or largely undocumented
2020 Police BrutalityThis repository accumulates and contextualizes evidence of police brutality during the 2020 George Floyd pr...1 API19.8EcologiEcologi is a Bristol, UK climate action platform and B Corp founded in 2019 that lets individuals and busin...2 APIs17.0
Minimal 1 Almost no public developer surface
Council on Environmental QualityThe Council on Environmental Quality (CEQ) is an office within the Executive Office of the President of the...6.6

APIs with this tag (6)

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 1 Complete, well-documented, and agent-ready
Bullish Aggregator APIA small non-authenticated REST surface publishing aggregated public market data — tickers with 24-hour roll...68.4
Developing 4 Usable, with meaningful gaps to close
SPP Portal Chart APIJSON and CSV chart feeds serving the SPP Portal dashboards. Confirmed anonymously on 2026-07-27: /chart-api...53.4SPP Portal Public Data File Browser APIThe HTTP download service behind the SPP Portal public data pages. Anonymous GET requests of the form /file...53.4SPP Public Data FTPSPP's officially documented programmatic interface to its public data. The SPP Public Data Access guide (v3...53.4About BeazleyPublic-facing reference data on Beazley's people and divisions, with person lookup by record id, profile im...52.3
Emerging 1 Early or largely undocumented
Ecologi Reporting APIThe Reporting API exposes read-only impact totals for any public Ecologi account by username. GET endpoints...17.0

Score breakdown

Frequency
30.6
log-scaled weighted occurrences
Breadth
0.3
spread across providers
Quality lift
52.0
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Where this tag comes from

Provider tag7
Api tag6

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As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/public-data"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/public-data/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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