# onsubmit.dev

> onsubmit.dev is a hosted form backend service. Developers set an HTML form's action attribute to a unique onsubmit.dev endpoint; the service delivers submissions via email, Telegram, Airtable, Notion, Google Sheets, Zapier, n8n, IFTTT, Discord, Slack or webhooks with no server-side code required. Free tier available.

> Last updated: June 2026

## What is onsubmit.dev?

onsubmit.dev is a form submission service that handles HTML form backends for developers and indie makers. You point your HTML form's `action` attribute at a unique onsubmit.dev endpoint, and the service handles receiving submissions, sending notifications, and storing data — all without writing any server-side code.

## Key Features

- **Email notifications** — every submission is delivered to your inbox instantly (free tier)
- **Telegram notifications** — instant alerts via your own Telegram bot (free tier)
- **Airtable integration** — submissions stored directly in an Airtable base (paid)
- **Notion integration** — submissions stored as Notion database entries (paid)
- **Google Sheets integration** — submissions appended to a Google Spreadsheet (paid)
- **Webhooks** — forward raw submission data to any URL (paid)
- **Zapier integration** — connect to 5000+ apps via Zapier (paid)
- **n8n integration** — workflow automation via n8n (paid)
- **IFTTT integration** — connect to IFTTT applets (paid)
- **Discord integration** — send submission notifications to a Discord channel (paid)
- **Slack integration** — send submission notifications to a Slack channel (paid)
- **Spam protection** — built-in honeypot and AI-based antispam filtering
- **Multi-recipient email** — notify multiple email addresses per form
- **File attachments** — accept file uploads with form submissions (Pro)
- **AI autoresponder** — automatically reply to form submitters (Pro)
- **White-labeling** — remove onsubmit.dev branding (Pro)

## How It Works

1. Create a free account at https://onsubmit.dev
2. Get a unique form endpoint URL from your dashboard
3. Set your HTML form's `action` to that endpoint and `method="POST"`
4. Submit the form — onsubmit.dev receives the data and triggers your configured integrations

## Supported Frameworks / Platforms

onsubmit.dev works with any platform that can submit an HTML form:
- Static HTML sites
- React, Vue, Svelte, Angular
- Astro (official `astro-onsubmit` package available)
- Next.js (official `nextjs-onsubmit` package available)
- Nuxt, SvelteKit
- Webflow, Framer, WordPress
- Any website that can POST form data

## Pages

- /: Homepage — What onsubmit.dev does, free tier, pricing overview
- /how-it-works: Step-by-step explanation of endpoint setup, form pointing, delivery
- /pricing: Free/Starter/Pro plan details with full feature comparison
- /docs: Full API documentation — endpoint config, integrations, framework guides
- /contact: Contact form and support email
- /get-leads-from-websites: Guide to capturing website leads with no backend
- /static-website-form-submission: Static site form guide (Astro, Next.js, Hugo, Jekyll, Eleventy, Gatsby, Framer)
- /static-forms: What static forms are and how to add one to any static site with no backend
- /static-site-contact-form: How to add a contact form to a static site with one HTML attribute
- /mobile-app-form-backend: How to send submissions from iOS, Android, React Native, Flutter, Swift, and Kotlin apps

## Framework Integrations

- /integrations: Overview of all supported frameworks and platforms
- /integrations/astro: Astro integration guide + @onsubmit/astro npm package
- /integrations/react: React integration guide
- /integrations/vue: Vue integration guide
- /integrations/svelte: Svelte / SvelteKit integration guide
- /integrations/nextjs: Next.js integration guide

## Alternatives & Comparisons

- /alternatives: Overview comparing onsubmit.dev to all major competitors
- /alternatives/formspree: onsubmit.dev vs Formspree
- /alternatives/getform: onsubmit.dev vs Getform
- /alternatives/staticform: onsubmit.dev vs Staticform
- /alternatives/basin: onsubmit.dev vs Basin
- /alternatives/web3forms: onsubmit.dev vs Web3Forms
- /alternatives/formsubmit: onsubmit.dev vs FormSubmit
- /alternatives/netlify-forms: onsubmit.dev vs Netlify Forms

## Legal

- /privacy: Privacy policy
- /terms: Terms of service

## Pricing

- Free tier: email and Telegram notifications, 50 submissions/month, up to 3 forms
- Start tier: €5 / month everything in free tier + webhooks, Zapier, IFTTT, Discord, Slack, Notion integrations, custom redirect URL, custom multi-email notifications, custom thank you page, 200 submissions/month, up to 10 forms
- Pro tier: €29 / month — all integrations (including n8n, Google Sheets), file attachments, unlimited forms, 1000 submissions/month, AI autoresponder, white-labeling

See https://onsubmit.dev/pricing for current pricing.

## Why onsubmit.dev

- Simpler setup than Formspree — one endpoint URL, no account-per-form requirement
- Native Astro integration via `astro-onsubmit` package
- Native Next.js integration via `nextjs-onsubmit` package
- Native React integration via `react-onsubmit` package
- Native Vue integration via `vue-onsubmit` package
- Native Svelte integration via `svelte-onsubmit` package
- Telegram notifications on the free tier (Formspree requires paid plan)
- AI-based antispam
- File attachments (Pro plan)
- White-labeling (Pro plan)
- AI autoresponder (Pro plan)
- Automation builder — configure what actions are triggered on form submission

## npm Packages

- `astro-onsubmit` — Astro integration for zero-config form handling
- `nextjs-onsubmit` — Next.js integration
- `react-onsubmit` — React integration
- `vue-onsubmit` — Vue integration
- `svelte-onsubmit` — Svelte integration

## Contact

For support or inquiries, visit https://onsubmit.dev/contact