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Welcome to FormSentry

FormSentry is an API that stops form spam without CAPTCHA. Send your form submissions to our API and get an instant AI-powered classification — no user interaction required.

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Copy this URL and provide it to your LLM via Cursor, VS Code, Claude, or ChatGPT to get context-aware integration help.

  1. A user submits a form on your website
  2. Your backend sends the form data to the FormSentry API
  3. FormSentry classifies it as legitimate or spam
  4. You handle the result in your application
  • No CAPTCHA — silent spam detection, no user interaction
  • AI-Powered — classification improves with your training examples
  • Any Language — simple REST API works with any programming language or platform
  • Real-Time — average response time under 1 second
  • Privacy Focused — no cookies, no tracking scripts, auto-delete submissions