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Cat Facts

Random feline trivia served as tidy JSON

🐕 AnimalsHEALTHYchecked 2h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

Hit one endpoint and get a random cat fact plus its character length, with no key or signup. It is handy filler for chatbots, loading screens, or an intro-to-REST demo. Responses are tiny, quick, and CORS-friendly.

96HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 96 · healthy
Uptime history
99.02%90 days
98.3%30 days
259P50 · ms
4464P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 65 ms, slowest 2309 ms, most recent 97 ms.
Live response samplecaptured by our last successful check
GET https://catfact.ninja/fact

{
  "fact": "The domestic cat is the only species able to hold its tail vertically while walking. You can also learn about your cat's present state of mind by observing the posture of his tail.",
  "length": 180
}
Call itcurl · fetch · python
curl "https://catfact.ninja/fact"
const res = await fetch("https://catfact.ninja/fact");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://catfact.ninja/fact")
print(res.json())
Endpoints · 4HealthyFULL DOCS ↗
Monitored path responding — GET /fact259 mschecked 2h ago
GET/factPROBED

Random feline trivia served as tidy JSON

GET/facts

One or more random facts.

GET/fact?limit=5

Paginated variant with limit parameter.

GET/api/oauth2-callback

Oauth2 Callback — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

Cat Facts: common questions

Is Cat Facts free to use?

Yes — Cat Facts is a free animals API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Cat Facts need an API key?

No — Cat Facts needs no API key or signup. You can call it straight away; rate limits still apply (100 req/window · 96 remaining).

Can I call Cat Facts from the browser?

Yes — Cat Facts returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is Cat Facts up right now?

As of our last scheduled check, Cat Facts is healthy with 99.02% uptime over 90 days and a 259 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.