Headless forms and mail,
built for your AI agents.

$ curl -X POST https://login.form4dev.com/api/submit/contact \
    -H "Authorization: Bearer fmd_<your-agent-token>" \
    -H "Content-Type: application/json" \
    -d '{"name":"Ada","message":"hi"}'

{"success": true, "id": "sub_8f2…", "country": "IN", "city": "Mumbai"}
# tagged in the inbox with the agent's label
# every call recorded in the audit log
# geo auto-attached — country / city / region / lat-long / timezone

$ curl -X POST https://login.form4dev.com/api/submit/contact \
    -H "Content-Type: application/json" \
    -d '{"name":"Ada","message":"hi"}'

{"success": true, "id": "sub_8f2…"}

await fetch("https://login.form4dev.com/api/submit/contact", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ name, email, message }),
});

<form action="https://login.form4dev.com/api/submit/contact" method="POST">
  <input name="email" type="email" required/>
  <textarea name="message" required></textarea>
  <button>Send</button>
</form>

import { useForm } from "@form4dev/react";

export function Contact() {
  const [state, handleSubmit] = useForm("contact");
  if (state.succeeded) return <p>Thanks!</p>;
  return (
    <form onSubmit={handleSubmit}>...</form>
  );
}