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Math Captcha Demo

Generate a sample arithmetic captcha or upload your own image. We read the expression and return the computed answer.

Captcha Image

Generate a sample or upload your own math captcha image

API Usage

POST /createTask
{
  "clientKey": "capzy_sk_...",
  "task": {
    "type": "MathCaptchaTask",
    "body": "<base64 encoded image>"
  }
}

// Response:
{
  "solution": {
    "text": "8",
    "expression": "3 + 5"
  }
}

Cost: $1.00 per 1,000 solves. Average solve time: ~1 second. No browser, no proxy.