Cat Facts API

⭐ Beginner's Pick Animals / No Auth Required Beginner HTTPS
Free to Use Varies (check documentation)

Overview

Cat Facts delivers random, verified facts about cats via a simple REST API. No authentication required—ideal for beginners learning how to call an API and display text responses.

💡

Beginner Tip

Call /fact for a single random fact. The /facts endpoint returns a paginated list—set max=5 to avoid huge payloads on first try.

Available Data

random cat fact text
fact ID
fact verification status
Use case: Integrate daily cat facts data into web and mobile applications

Example Response

JSON Response
{
  "fact": "Cats sleep for about 70% of their lives.",
  "length": 46
}

Field Reference

fact The cat fact text to display to users
length Character count of the fact string

Implementation Example

const url = "https://alexwohlbruck.github.io/cat-facts/";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data);

What Can You Build?

Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.

Common Errors & Troubleshooting

404 on /random Old tutorials reference /random which is deprecated
Use /fact instead: https://catfact.ninja/fact
Unexpected paginated response Calling /facts without knowing it returns an array with metadata
Access response.data[0].fact to get the first fact text
SSL certificate error Some environments have outdated CA certificates
Use curl --cacert or update your system CA bundle

Matrix Score Breakdown

🌐 Reachability 30/30
⚡ Speed 20/20
🔒 Security 15/15
🛠 Developer XP 20/20
✓ Reliability 7/15
Response Time 39ms

Fully tested on Apr 5, 2026

Technical Specifications

Auth No Auth
HTTPS REQUIRED
CORS NO
Category Animals
Difficulty Beginner
Verified: 2026-04-04

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