Quickstart
Create an endpoint, use it as your form action, and send a test submission.
HTMLminimum viable setup
<form action="https://submit.yourdomain.com/f/abc123" method="POST"> <input type="email" name="email" placeholder="Email" required /> <textarea name="message" placeholder="Message"></textarea> <input type="text" name="_gotcha" style="display:none" /> <button type="submit">Send</button> </form>