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  4. The Cat API
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The Cat API

The Cat API offers developers access to over 60,000 cat images, GIFs, and breed information, suitable for educational and entertainment applications.

Developed by TheCatAPI

Live API
99.95%Uptime
150msLatency
450Stars
API KeyAuth
NoCredit Card
RESTStyle
v1Version

Reference

API Endpoints

Endpoints

Available routes, request structures, and code examples.

Find cat images with filtering options

Endpoint URL
https://api.thecatapi.com/images/search
Code Example
curl -X GET 'https://api.thecatapi.com/images/search' \
  -H 'Authorization: Bearer YOUR_API_KEY'
Request Payload
{
  "limit": 1,
  "order": "RANDOM",
  "mime_types": "jpg,png"
}
Expected Response
[
  {
    "id": "MTYwODk3Mg",
    "url": "https://cdn2.thecatapi.com/images/MTYwODk3Mg.jpg",
    "width": 640,
    "breeds": [
      {
        "name": "Siamese"
      }
    ],
    "height": 426
  }
]
Version:v1
Limit:10,000 requests/day

Integration

Quick Start

cURL ExampleREST
curl -X GET "https://api.thecatapi.com/v1/images/search?limit=1&breed_ids=beng"

Docs

Technical Documentation

What this API does

The Cat API provides developers with access to a vast repository of over 60,000 cat images, GIFs, and in-depth breed data. It serves as an excellent resource for integrating feline content into applications, enhancing user experience with engaging visuals and detailed breed information.

How it works

The API is RESTful and returns JSON-formatted data, facilitating smooth integration with both web and mobile platforms. Developers can filter searches by breed, size, and image format to tailor content delivery. Example endpoints allow for retrieving random images, listing breeds, voting on images, and managing favorites, all through simple API calls.

Authentication

To access The Cat API, developers need to sign up for a free API key. This key allows for up to 1,000 calls per month without requiring a credit card, making it accessible for initial development and testing purposes.

Example usage

  • /v1/images/search - Retrieves a random cat image.
  • /v1/breeds - Lists all available cat breeds.
  • /v1/votes - Submits a vote on a specific cat image.
  • /v1/favourites - Manages favorite cat images.

Limits

Users can make up to 1,000 API calls per month using the free tier. Additional tiers may be available for increased usage.

Ideal use cases

  • Creating apps for cat lovers that showcase various breeds and images.
  • Developing educational tools about cat breeds and their characteristics.
  • Building social platforms that allow users to vote on and favorite cat images.
  • Integrating cat-centric content into existing mobile or web applications.

Examples

Real-World Applications

  • Integrating random cat images and GIFs into social media platforms
  • Building cat breed encyclopedias for educational apps
  • Creating voting and favorite-based user interaction features
  • Adding cat image content in chatbots or virtual assistants
  • Developing entertainment or pet adoption apps with breed info

Evaluation

Advantages & Limitations

Advantages
  • ✓ Extensive catalog of high-quality cat images and GIFs
  • ✓ Free tier with generous 1,000 calls/month and no credit card required
  • ✓ Comprehensive breed data ideal for educational purposes
  • ✓ Simple REST API with clear JSON responses
Limitations
  • ✗ Limited to feline-related content, not suitable for other pet types
  • ✗ Some advanced features require upgrading beyond free tier
  • ✗ No official SDKs for all popular languages (partial coverage)
  • ✗ Occasional latency spikes during peak usage

Support

Frequently Asked Questions

Important Notice

Verify Before You Decide

Last verified · Apr 30, 2026

The details on this page — including pricing, features, and availability — are based on our last review and may not reflect the provider's current offering. Providers update their products frequently, sometimes without prior notice.

What may have changed

Pricing Plans
Features & Limits
Availability
Terms & Policies

Always visit the official provider website to confirm the latest pricing, terms, and feature availability before subscribing or integrating.

Check official site

External Resources

Documentation Official Website Pricing Details Postman Collection

API Specifications

v1
Pricing Model
Freemium with paid plans for higher rate limits and additional features
Credit Card
Not Required
Response Formats
JSON
Supported Languages
7 Languages
SDK Support
JavaScript, Python
Rate Limit

1,000 requests per day for free tier; up to 50,000 requests per day on premium plans

Time to Hello World

Under 15 minutes to get an API key and start making requests

Free Tier

1,000 API calls per month with full access to images, breeds, voting, and favorites. No credit card required.

Best For

Developers building apps that require cat images, breed data, and interactive features such as voting and favorites

Not Ideal For

Applications requiring pet information beyond cats or very high-volume image hosting

Tags

#breed#pets#free-api#images#animals#gif#entertainment#cats

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