Yes — use an autoresponder with a confirmation link, or forward via webhook to your ESP.

Do I need Astro's server output to use FormLoom?

No. The plain HTML form POSTs directly to FormLoom from the browser, so it works on a fully static build with no adapter.

How do I avoid a full page navigation on submit?

Add a small client-side script that calls `fetch()` with `Accept: application/json` and shows your own success state.

Astro newsletter signup form

A single-field email capture for your mailing list.

Recommended fields

Field	Type	Required
email	email	Yes

The code

Drop a `<form action="https://api.formloom.ai/submit/KEY" method="POST">` into any `.astro` page. For an inline success message without a full page reload, progressively enhance with a small client-side script.

Astro page (static)

src/pages/contact.astro

---
// src/pages/contact.astro — static, no server needed
---
<form action="https://formloom.vercel.app/api/submit/YOUR_ACCESS_KEY" method="POST">
  <label>
    Email
    <input type="email" name="email" required />
  </label>
  <!-- honeypot: bots fill this, humans don't see it -->
  <input type="checkbox" name="botcheck" style="display:none" tabindex="-1" autocomplete="off" />
  <button type="submit">Send</button>
</form>

AJAX fetch (vanilla JS)

contact.html

<form id="contact-form">
  <label>
    Email
    <input type="email" name="email" required />
  </label>
  <!-- honeypot: bots fill this, humans don't see it -->
  <input type="checkbox" name="botcheck" style="display:none" tabindex="-1" autocomplete="off" />
  <button type="submit">Send</button>
</form>

<script>
const form = document.getElementById("contact-form");
form.addEventListener("submit", async (e) => {
  e.preventDefault();
  const res = await fetch("https://formloom.vercel.app/api/submit/YOUR_ACCESS_KEY", {
    method: "POST",
    headers: { "Content-Type": "application/json", Accept: "application/json" },
    body: JSON.stringify(Object.fromEntries(new FormData(form))),
  });
  const data = await res.json();
  if (data.success) {
    form.reset();
    alert("Thanks — we got your message.");
  } else {
    alert(data.message || "Something went wrong.");
  }
});
</script>

@formloom/client (typed SDK)

submit.ts

// npm i @formloom/client
import { createForm } from "@formloom/client";

type Contact = {
  email: string;
};

const form = createForm<Contact>("YOUR_ACCESS_KEY");

// End-to-end typed: TS errors if you send the wrong shape.
const { success, message } = await form.submit({
  email: form.email.value,
});

Tips

Keep it to one field — email only — for the highest conversion.
Wire an autoresponder to send a welcome / double-opt-in email.

FAQ

Usually not — email-only forms convert best. Collect the name later in your welcome email if you need it.