# Public APIs

**Canonical:** https://apis.io/providers/public-apis/  
**APIs profiled:** 4

Public APIs is a community-curated collective list of over 1,400 free APIs organized across 50+ categories, maintained by contributors and the team at APILayer. It is one of the most popular open-source projects on GitHub with over 400k stars. A companion REST API (davemachado/public-api) exposes the directory data programmatically over HTTPS with no authentication.

## Kin Score — 19.9 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 19.9).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 48.3 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 20.0 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Open access — onboarding: open, pricing: freemium, trial: no (confidence: medium).

## APIs (4)

- **Public APIs Directory** — A collective list of free APIs organized by category including Animals, Finance, Weather, Geocoding, Government, Health, Machine Learning, Sports, and 40+ more categories for de...
- **Public APIs Categories API** — Endpoints for category metadata.
- **Public APIs Entries API** — Endpoints for listing API directory entries.
- **Public APIs Health API** — Service health check.

## Agentic access (1)

- **Public Apis Agentic Access** — 4 operations

## Plans (1)

- **Public Apis Plans Pricing**

## Tags

API Aggregation, API Directory, API Discovery, Free APIs, Open-Source

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/public-apis/). Scores are computed from the provider's own public artifacts under a published rubric.