Free cat images and breed data for developers
For people who love making cool tech for cats.
An API all about cats. 60k+ images, breeds and facts. Free to start, and always free for students and teachers.
TheCatAPI is part of Happier.Pet, personalised pet care for insurers, vets and pet food brands.

Get cats with a few lines of code
Get instant access to tens of thousands of cats so you can delight your users with ever-changing images, facts and breed info.
Read the docsconst headers = new Headers({
"Content-Type": "application/json",
"x-api-key": "DEMO-API-KEY"
});
var requestOptions = {
method: 'GET',
headers: headers,
redirect: 'follow'
};
fetch("https://api.thecatapi.com/v1/images/search?size=med&mime_types=jpg&format=json&has_breeds=true&order=RANDOM&page=0&limit=1", requestOptions)
.then(response => response.text())
.then(result => console.log(result))
.catch(error => console.log('error', error));
Aden Forshaw
Founder & Data Research

Nick
Co-founder & Product

Pippa Churcher
Co-founder & Growth
About us
Made by the team behind TheDogAPI. Still free for learners who love cats.
TheCatAPI is built and run by the same small team as TheDogAPI. Developers use it to build apps, games, sites and classroom projects, and it stays free for students and teachers.
What’s in the API
Images
Tens of thousands of cat photos, searchable by breed and category.
Breeds
Breed data including origin, temperament and life span.
Votes and favourites
Let your users vote on cats and save their favourites.
Your own uploads
Upload your own cat photos and use them alongside ours.
For pet insurers, vets and pet food brands
TheCatAPI is part of
Building for a pet insurer, vet or pet food brand? builds on the same data to give every pet a PetProfile, with personalised guidance for your customers’ pet parents, in your brand.
Personalisation that gets smarter
Content tailored to each pet’s breed, age, sex, location and body condition.
Longer, happier lives
Vet-verified guidance at the moments parents choose, plus body condition, pose and video, dental and life stage insights.
Evidence-based
Every insight traces back to its source.
Frequently Asked Questions
Because every day is a Caturday.