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HTTP Cats

http.cat APIs & Databases Online tool

HTTP Cats provides an API for displaying cat images that correspond to HTTP status codes.

Visit HTTP Cats
http.cat
HTTP Cats homepage screenshot

About HTTP Cats

HTTP Cats is an API that returns cat images matched to HTTP status codes. A developer requests an image by adding a status code to the URL, such as https://http.cat/[status_code]. The homepage describes its use as showing funny error messages on websites.

The homepage lists images for many standard and non-standard status codes, from 100 through 599, each with its status name. Original images are credited to Tomomi Imura, and the project is developed by @rogeriopvl. The source does not state any usage limits, licensing terms, or pricing.

Key features

  • Returns a cat image for a requested HTTP status code via URL
  • Accepts a .jpg extension at the end of the image URL
  • Includes images for many status codes from 100 to 599
  • Covers non-standard codes such as 420 Enhance Your Calm and 418 I'm a teapot
Best for: Web developers who want to show cat images alongside HTTP error messages on their websites.
Good for
  • Requests use a simple URL pattern based on the status code
  • Lists the status code and name for each image on the homepage

HTTP Cats at a glance

Website
http.cat
Type
Online tool
Pricing
Not confirmed. Check the site
Platforms
Web, Windows
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026
api

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HTTP Cats FAQ

How do I request an image for a status code?
Use the URL https://http.cat/[status_code]. If you need a file extension at the end of the URL, add .jpg.
Who created the images?
The homepage credits the original images to Tomomi Imura (@girlie_mac). The project is developed by @rogeriopvl.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 12, 2026 · How we rank