Cat Facts
Random cat facts
- Authentication
- No auth
- HTTPS
- Yes
- CORS
- Yes
- Category
- Animals
- Documentation / URL
- https://catfact.ninja/
Overview
Cat Facts (catfact.ninja) serves random cat facts as JSON — no key, no registration, CORS-enabled. A tiny, friendly API that’s perfect for demos, chatbots, and “fact of the day” widgets.
Quick Start
A random fact (verified live):
curl "https://catfact.ninja/fact"
{"fact": "A group of cats is called a clowder.", "length": 40}
Multiple facts (paginated):
curl "https://catfact.ninja/facts?limit=5"
Search facts by text:
curl "https://catfact.ninja/facts?search=whiskers"
Breed list (with origin, coat, temperament):
curl "https://catfact.ninja/breeds?limit=5"
Authentication
None — keyless.
Rate Limits & Notes
- Free and open; no documented hard limit — be polite (it’s a free community service).
- The
factsendpoint is paginated (page,limit) and supportssearch. - Facts are short strings with a
lengthfield — easy to render anywhere. - CORS is enabled — browser calls work.
FAQ
Is Cat Facts free? Yes — free, keyless, no registration.
Can I search facts?
Yes — https://catfact.ninja/facts?search=....
Can I call it from the browser? Yes — CORS is enabled.