APIs.guru
Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs
- Authentication
- No auth
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Development
- Data source
- public-apis + marcelscruz
- Documentation / URL
- https://apis.guru/api-doc/
Overview
APIs.guru provides OpenAPI specs for public APIs — keyless (verified live).
Quick Start
Full catalog (verified live — 8.8MB):
curl "https://api.apis.guru/v2/list.json"{ "1forge.com": { "added": "2017-05-30T08:34:14.000Z", "preferred": "0.0.1", "versions": { ... } } }Authentication
None — keyless.
Rate Limits & Notes
- Free; be polite — no hard published limit.
- OpenAPI specs for public APIs.
FAQ
Is APIs.guru free? Yes — free and keyless (verified).
What does it return? OpenAPI/Swagger specs.
Key needed? No — keyless.
More in Development
| API | Auth | HTTPS | CORS | |
|---|---|---|---|---|
| 24 Pull Requests Project to promote open source collaboration during December | No auth | Yes | Yes | ↗ |
| Abacus Free and simple counting service. You can use it to track page hits and specific events | No auth | Yes | Unknown | ↗ |
| Agent Gateway 34+ AI agent infrastructure services including memory, wallets, and scheduling | API Key | Yes | Unknown | ↗ |
| AgentDeals Search and compare developer free tiers, startup credits, and pricing changes | No auth | Yes | Unknown | ↗ |
| Agify.io Estimates the age from a first name | No auth | Yes | Yes | ↗ |