onsubmit.dev
Accept form submissions from any website without writing backend code.
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Description
Accept form submissions from any website without writing backend code. Email, Telegram, Airtable, Notion, Google Sheets, and webhook notifications. Free tier, no credit card required.
About onsubmit.dev
What is onsubmit.dev?
onsubmit.dev is a form backend service that collects submissions from HTML forms or JavaScript fetch calls without server code.
What onsubmit.dev does
The platform provides unique endpoint URLs for web forms. When a visitor submits data, onsubmit.dev stores the entry in a dashboard and routes notifications across channels including email, Telegram, Slack, Discord, Notion, Google Sheets, Airtable, and webhooks. It also includes OpenAI-powered spam scoring and file attachment storage.
Who onsubmit.dev is for
onsubmit.dev is built for teams and static site builders wanting to collect form submissions without writing backend code.
How onsubmit.dev works
Users sign up with an email address to obtain a unique form endpoint URL, set that URL as the action attribute on an HTML form or make a POST request with JavaScript, and configure notification destinations in the dashboard.
Key features
- Drop-in form endpoint URL compatible with plain HTML forms, React, Vue, and static site generators
- Direct routing to 13 channels including email, Telegram, Slack, Discord, Notion, Google Sheets, and Airtable
- AI antispam scoring powered by OpenAI to drop high-confidence spam and flag borderline entries
- Centralized dashboard to view, search, filter, and delete stored submissions
- File attachment handling for multipart forms on Pro plans
- Webhook delivery supporting raw JSON payloads and optional HMAC signing
- Data stored and processed entirely within the European Union for GDPR compliance
Pricing
As listed on onsubmit.dev, checked 14 October 2026. Prices can change; see the site for current terms.
- Free plan is $0 per month for up to 50 submissions per month and 3 forms with no credit card required
- Starter plan is €5 per month for up to 200 submissions per month, 10 forms, Notion integration, and AI antispam
- Pro plan is €29 per month for up to 1,000 submissions per month, unlimited forms, Google Sheets, Airtable, and file uploads
Facts from onsubmit.dev, checked 14 October 2026
- Handles form submissions with no server, no database, and no deploy
- Stores and processes all submission data within the European Union
- Includes a free plan with up to 50 monthly submissions and 3 forms
- Integrates with email, Telegram, Slack, Notion, and webhook endpoints
Written from onsubmit.dev's own website (Homepage, Pricing, Features, Docs). The maker can claim this listing to edit it.
Categories
Frequently asked questions
Does onsubmit.dev require server-side code or an SDK?
No, onsubmit.dev functions by pointing the form action attribute or a JavaScript fetch POST request directly at the endpoint URL.
Where is form submission data stored and processed?
All submission data is stored and processed entirely within the European Union.
How does AI Antispam work in onsubmit.dev?
Submissions are scored by OpenAI, where high-confidence spam is silently dropped and borderline entries are marked with a spam badge in the dashboard.