canonical · 3.0 capability

Action API

Score 34.3 / 100 169 providers 169 APIs Search apis.io →

Providers using this tag (169)

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

Developing 2 Usable, with meaningful gaps to close

SpektrCompanyComplianceRegTechKYB9 APIs52.4 WikisourceOpen DataOpen KnowledgeLiteratureHistorical Documents10 APIs40.7

Emerging 140 Early or largely undocumented

Minimal 27 Almost no public developer surface

APIs with this tag (169)

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 2 Usable, with meaningful gaps to close

Spektr Action API APIThe Action API API from Spektr — 1 operation(s) for action api.52.4 MediaWiki Action APIThe primary programmatic interface to Wikisource, exposed at /w/api.php on each language subdomain. Operati...40.7

Emerging 140 Early or largely undocumented

Minimal 27 Almost no public developer surface

Score breakdown

Frequency

59.1

log-scaled weighted occurrences

Breadth

4.6

spread across providers

Quality lift

17.0

mean composite of providers using it

Cohesion

99.7

strength of nearest seed neighbor

Where this tag comes from

Api tag169

Openapi tag1

Openapi op tag1

Cohort brief

Auto-generated

The 169 providers in the APIs.io catalog tagged Action API, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

169

all scored

Mean Kin Score

14.5

-6.2 vs catalog 20.7

Mean Agent Readiness

2.8

-6.9 vs catalog 9.7

Spread

5.3–52.4

median 15.7 · σ 4.8

How the 169 split by band

Exemplar 0Strong 0Developing 2Thin 0Emerging 140Minimal 27

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Discoverability	66.6	60.4	+6.2	169
Operational Transparency	15.8	11.3	+4.5	169
Access Clarity	25.5	22.3	+3.2	169
Contract Governance	0.2	6.4	-6.2	169
Developer Ergonomics	9.7	17.9	-8.2	169
Contract Quality	0.7	17.5	-16.8	169

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

Artifact	This cohort	Catalog	Difference
MCP server (any)	1%	16%	-15
MCP server (first-party)	0%	7%	-7
Agent Skills	0%	0%	0
OAuth scopes	0%	9%	-9
Security	99%	88%	+11
Arazzo workflows	0%	2%	-2
Governance rules	1%	13%	-12

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 Spektr 52.4
2 Wikisource 40.7
3 Transport for NSW Open Data Hub 17.8
4 Calderdale Data Works 17.3
5 California Health and Human Services 17.3
6 California Natural Resources Agency 17.3
7 California Open Data 17.3
8 data.overheid.nl 17.3
9 Datenregister Berlin 17.3
10 Essex Open Data 17.3

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

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/action-api"

All tags

curl "https://apis.io/api/v1/tags?limit=25"

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/action-api"

The distribution (Pro)

curl "https://apis.io/api/v1/cohorts/tag/action-api/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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