How to Choose the Best Animals API in 2026
There are 27 Animals APIs in our directory. Of these, 19 require no authentication, making them ideal for quick prototyping. 19 are rated beginner-friendly.
Scores last tested: 2026-08-10
Quick Comparison: Top 10 Animals APIs
Ranked by API Score. Measured means we called a real endpoint of that API; Est. means the score is derived from metadata because the endpoint could not be called without credentials. Discontinued APIs are excluded.
| Name | API Score | Auth | HTTPS | CORS | Difficulty |
|---|---|---|---|---|---|
| Dog Facts | 92 A+ Est. | No Auth | ✓ | ✓ | Beginner |
| Dog Facts | 92 A+ Est. | No Auth | ✓ | ✓ | Beginner |
| HTTP Cat | 92 A+ Est. | No Auth | ✓ | ✓ | Beginner |
| HTTP Dog | 92 A+ Est. | No Auth | ✓ | ✓ | Beginner |
| Movebank | 92 A+ Est. | No Auth | ✓ | ✓ | Beginner |
| PlaceBear | 92 A+ Est. | No Auth | ✓ | ✓ | Beginner |
| MeowFacts | 90 A+ Est. | No Auth | ✓ | ✗ | Beginner |
| RandomDog | 87 A Est. | No Auth | ✓ | ✓ | Beginner |
| Cat Facts | 85 A Measured | No Auth | ✓ | ✗ | Beginner |
| Axolotl | 84 A Est. | No Auth | ✓ | ✗ | Beginner |
Free Animals APIs (No Auth)
These APIs require no API key or signup. Start using them immediately.
Axolotl
⭐ Beginner's PickAxolotl API returns random photos and fun facts about axolotls (aquatic salamanders).
Cat Facts
⭐ Beginner's PickCat Facts delivers random, verified facts about cats via a simple REST API.
Cataas
Cataas provides programmatic access to cat as a service (cats pictures and gifs) via REST API.
Dog Facts
⭐ Beginner's PickDog Facts API returns random interesting facts about dogs as plain JSON.
Dog Facts
⭐ Beginner's PickThis Dog Facts API returns random dog facts in clean JSON with no API key required.
Dogs
⭐ Beginner's PickThe Dog CEO API serves random dog images from the Stanford Dogs Dataset, organized by breed.
Try It in 5 Minutes: Cat Facts
Quick implementation example using Cat Facts.
Using curl
curl "https://catfact.ninja/fact"
JavaScript
const url = "https://catfact.ninja/fact";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); New to APIs? Read our Getting Started Guide →
Frequently Asked Questions
How many Animals APIs are available?
There are 27 Animals APIs in our directory as of 2026.
Are there free Animals APIs?
Yes, 19 Animals APIs require no authentication and are completely free to use.
What is the easiest Animals API to use?
Cat Facts is one of the easiest to get started with. It is rated as beginner-level and requires no authentication.
Do I need an API key for Animals APIs?
It depends. 19 APIs need no authentication, 6 require an API key, and 0 use OAuth.