plugmyagent

TheCatAPI

Fun & Random Free key (no card)

AuthenticationFree key (no card)
Rate limit10,000 requests/month on the free tier

Documentation: thecatapi.com ยท Checked Sep 13, 2026

About

TheCatAPI is exactly what it sounds like: tens of thousands of cat images with breed information and cat facts, all through a simple REST API. The free tier includes 10,000 requests a month with a free key. It also supports voting, favorites, and image uploads for interactive apps.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: 10,000 requests/month on the free tier

Verified: 2026-09-13

Best for: cats images breeds

Read the docs Back to catalog

Setup

  1. Sign up for a free API key on the official site.
  2. Pass the key in the x-api-key header with each request.
  3. Fetch random images with /v1/images/search, optionally filtered by breed.
  4. Pull breed details and cat facts from their dedicated endpoints.
  5. Use the voting and favorites endpoints to make interactive apps.
Sign up