I'm Human API

The I'm Human API is "where humanity wins the fight against machines," according to elxsy.com, the provider of the service. I'm Human is a visual CAPTCHA service which responds with a word, a grid of up to 25 images and the grid numbers which correspond to the correct answers. Humans must select the images that match the words and your application compares the results to the correct answer from the I'm Human API.

I'm Human: Highlights

Summary
Visual CAPTCHA service

Category
Security

Tags
captcha security

Protocols
REST

Data Formats
JSON

API home
http://www.elxsy.com/imhuman/api/