Unlimited submissions for everyone

Forms that just work.
No backend required.

Connect your HTML forms to our API and start receiving submissions in seconds. The simplest way to handle contact forms, lead gen, and more.

Built for developers

Vercel
Netlify
Astro
Next.js
Stripe

Integration in 3 simple steps

Go from zero to production in less than 2 minutes.

01

Connect your form

Point your form action to our unique API endpoint.

02

Receive submissions

We handle basic validation, spam protection, and storage.

03

Get notified

Receive instant alerts via Email, Slack, or Webhooks.

Built for developers

No libraries to install. No complex SDKs. Just a standard HTML form. Works with any framework or static site generator.

  • AJAX / Fetch support
  • Simple POST endpoint
  • Works with any HTML form
  • Spam honeypot included
  • Basic validation
contact-form.html
<form 
  action="https://api.atsubmit.com/f/your-id" 
  method="POST"
>
  <label>Email Address</label>
  <input type="email" name="email" required />

  <label>Message</label>
  <textarea name="message"></textarea>

  <button type="submit">Send</button>
</form>

Everything you need to manage forms

Powerful features hidden behind a simple API.

Unlimited Submissions

We never cap your growth. Receive as many submissions as you need.

Spam protection

Built-in protection to keep unwanted submissions out.

Instant Notifications

Get notified via Email, Slack, Discord, or custom Webhooks.

Analytics Dashboard

Visualize submission trends and conversion rates at a glance.

Works Everywhere

Perfect for Astro, Next.js, Hugo, WordPress, or plain HTML.

Developer API

Simple submission API endpoint.

Simple, transparent pricing

Pay only for the notifications you need. Submissions are always unlimited.

Free

$0 /mo
  • 3 Forms
  • Unlimited Submissions
  • Weekly Digest
  • CSV Export
  • Basic Spam Filter
Most Popular

Starter

$5 /mo
  • 20 Forms
  • Daily Notifications
  • Email Notifications
  • Webhook Support
  • Basic Analytics

Pro

$19 /mo
  • 100 Forms
  • Instant Notifications
  • Advanced Spam Filter
  • Slack/Discord Alerts
  • API Access

Agency

$49 /mo
  • 500 Forms
  • Multi-client Workspace
  • Team Access
  • Priority Processing
  • Advanced Analytics

Built for every use case

From simple contact forms to complex lead generation workflows.

Contact Forms

The classic use case. Get messages from your visitors directly in your inbox.

Lead Generation

Capture potential customers and sync them with your CRM via webhooks.

Newsletter Signup

Build your audience without setting up a complex backend.

Customer Support

Create custom support forms that route to your team instantly.

Frequently Asked Questions

How does integration work?

Just set your form action to our API endpoint. We handle the rest. No backend code required.

Is there a limit on submissions?

We don’t enforce submission limits in the current version.

Can I use it with React or Next.js?

Absolutely. You can use standard forms or handle submissions via AJAX/Fetch.

What is your refund policy?

We offer a 14-day no-questions-asked refund policy for all paid plans.

Ready to simplify your forms?

Start handling your forms the simple way. Start for free today.