CAPTCHA API Documentation

This API provides endpoints for generating CAPTCHA images with configurable parameters and verifying user input against stored CAPTCHA values.

Base URL

http://localhost:5000

Generate CAPTCHA

Endpoint: /captcha
Method: GET, POST

Generates a CAPTCHA image. If no input data is provided, default CAPTCHA settings are applied. If JSON data is present, the CAPTCHA is generated using the supplied configuration.

Example JSON Input

{
  "length": 6,
  "size": [200, 70],
  "color": "black",
  "lines": 50,
  "dots": 300,
  "distort": "wave"
}

Supported Parameters

Parameter	Type	Description
length	integer	Number of characters in the CAPTCHA
size	array	Image size as [width, height]
color	string or array	Text color or multicolor option
lines	integer	Number of noise lines
dots	integer	Number of noise dots
distort	string	none, wave, shear, blur