API Directory
Providers using this tag (10)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Strong 1 Solid coverage with minor gaps
Thin 2 Limited public surface area
Emerging 5 Early or largely undocumented
Minimal 1 Almost no public developer surface
APIs with this tag (7)
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
Emerging 5 Early or largely undocumented
Public APIs DirectoryA collective list of free APIs organized by category including Animals, Finance, Weather, Geocoding, Govern...APILayer Marketplace APIAPILayer (formerly Any-API) is a curated marketplace of reliable and scalable APIs for developers. Offers a...SportsAPISportsAPI.com provides a sports data API marketplace and comparison engine for developers. Browse, filter, ...ApivaultApivault is a free, open-source API directory that serves as a gateway to a world of public APIs. It catalo...API Stack DirectoryThe API Stack Directory is a searchable catalog of 213+ API tools and services organized into 50+ categorie...
Minimal 1 Almost no public developer surface
Score breakdown
Frequency
33.0
log-scaled weighted occurrences
Breadth
0.3
spread across providers
Quality lift
27.8
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor
Related tags
Where this tag comes from
Provider tag9
Api tag7
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.
Call it yourself
curl for this page
This tag
curl "https://apis.io/api/v1/tags/api-directory"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/api-directory"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/api-directory/stats" \
-H "X-API-Key: $APIS_IO_KEY"Discovery needs no key. Ratings and market analysis are Pro.