Best Animals APIs in 2026

The top 15 of 24 free Animals APIs, ranked by how easy they are to start with (API key, HTTPS, CORS), how reliable they are in our daily health checks, and what developers rate them. Dog Facts API takes the top spot.

Last tested Oct 24, 2026 · Rankings update daily

1
Dog Facts API
Online · 342 ms
Random dog facts. A free animals API by dukengn.github.io.
- No API key needed
- Fast: 342 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
2
Dog Facts API
Online · 356 ms
Random facts of Dogs. A free animals API by Dog API by kinduff.
- No API key needed
- Fast: 356 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
3
Cat Facts API
Online · 556 ms
Random cat facts. A free animals API by Cat Facts API.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
4
Dogs API
Online · 523 ms
Based on the Stanford Dogs Dataset.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
5
HTTP Cat API
Online · 683 ms
Cat for every HTTP Status.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
6
HTTP Dog API
Online · 779 ms
Dogs for every HTTP response status code.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
7
PlaceDog API
Online · 860 ms
Placeholder Dog pictures. A free animals API by place.dog.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
8
RandomDog API
Online · 1405 ms
Random pictures of dogs. A free animals API by random.dog.
- No API key needed
- Returns JSON at its URL
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
9
Cat Facts API
Online · 281 ms
Daily cat facts. A free animals API by cat-facts.
- No API key needed
- Fast: 281 ms response
- HTTPS
No authHTTPSNo CORS
10
FishWatch API
Online · 2075 ms
Information and pictures about individual fish species.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
11
Movebank API
Online · 1231 ms
Movement and Migration data of animals.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
12
PlaceBear API
Online · 1213 ms
Bear-themed placeholder images for developers.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
13
Axolotl API
Online · 1056 ms
Collection of axolotl pictures and facts.
- No API key needed
- HTTPS
No authHTTPSNo CORS
14
Breed Health Score API
Online · 505 ms
Dog breed health scores, median lifespans and conditions.
- No API key needed
- HTTPS
No authHTTPSNo CORS
15
RandomDuck API
Online · 843 ms
Random pictures of ducks. A free animals API by Random-d.uk.
- No API key needed
- HTTPS
No authHTTPSNo CORS

Animals APIs compared

Top Animals APIs compared
API	API key	HTTPS	CORS	Uptime	Response	Rating
Dog Facts	No	Yes	Yes	Up	342 ms	Not rated
Dog Facts	No	Yes	Yes	Up	356 ms	Not rated
Cat Facts	No	Yes	Yes	Up	556 ms	Not rated
Dogs	No	Yes	Yes	Up	523 ms	Not rated
HTTP Cat	No	Yes	Yes	Up	683 ms	Not rated
HTTP Dog	No	Yes	Yes	Up	779 ms	Not rated
PlaceDog	No	Yes	Yes	Up	860 ms	Not rated
RandomDog	No	Yes	Yes	Up	1405 ms	Not rated
Cat Facts	No	Yes	No	Up	281 ms	Not rated
FishWatch	No	Yes	Yes	Up	2075 ms	Not rated

More Animals APIs

Best Animals API FAQ

What is the best free Animals API in 2026?

Based on access, reliability and developer ratings, the top free Animals APIs right now are Dog Facts API, Dog Facts API and Cat Facts API. Dog Facts API ranks first. Rankings update daily from health checks of all 24 Animals APIs in the directory.

What is the best Animals API without an API key?

Dog Facts API, Dog Facts API and Cat Facts API need no API key, so you can call them without signing up. 20 of the 24 ranked Animals APIs are keyless.

Which Animals API works from the browser?

Dog Facts API, Dog Facts API and Cat Facts API support CORS over HTTPS, so front-end JavaScript can call them directly without a proxy.

How are these APIs ranked?

Each API gets a score from: no API key (+), HTTPS (+), CORS support (+), 30-day uptime and response time from our daily health checks, and ratings from developers on this site. APIs that failed three checks in a row are left out until they recover.