Head to /new for a captcha. The response will be in JSON format, with: - md5 field having the md5 of the answer - link field having a relative link to the image - token field being a token you can use to identify this captcha in your cache The captcha will expire and the image will be removed within 5 minutes. The code is here: https://github.com/koto-bank/kocaptcha Captchas generated since last restart: 15391