Form backend
without the backend

Point your HTML forms at OnBackend. We store submissions and email you instantly. No server, no database, no code.

Start for freeHow it works
index.html
<form action="https://onbackend.com/api/submit" method="POST">
  <input type="hidden" name="_apikey" value="ob_live_xxx..." />

  <input name="name" placeholder="Your Name" />
  <input name="email" placeholder="Your Email" />
  <button type="submit">Send</button>
</form>

Three steps. That's it.

01

Create a form

Sign up and generate an API key from your dashboard. Name it, set your notification email.

02

Add one line

Drop a hidden input with your API key into any HTML form. Point the action to our endpoint.

03

Get notified

Every submission is stored and emailed to you instantly. View, export, or delete from your dashboard.

Everything you need

Email notifications

Get a formatted email for every submission with all field data.

Spam protection

Built-in honeypot field silently discards bot submissions.

Rate limiting

Automatic per-IP and per-form rate limits protect against abuse.

CSV export

Download all submissions as a CSV file with one click.

Custom redirects

Send visitors to your own thank-you page after submission.

Dashboard

View, search, and manage all your form submissions in one place.

Start capturing form submissions

Completely free. 5 forms, 500 submissions per form per month, email notifications, and CSV export included.

Get started for free