Skip the backend setup. Create form endpoints instantly and start collecting submissions. Perfect for developers, founders, and freelancers who need forms fast.
Free tier • No credit card • 300 submissions/month
From simple contact forms to complex workflows
Create endpoints in seconds. No server setup, no database config.
Get submissions in your inbox instantly with custom templates.
Forward data to Slack, Discord, Zapier, or any webhook URL.
Built-in honeypot and domain validation keeps spam away.
Track submissions, view trends, export data as CSV.
RESTful API, JSON/form-data support, comprehensive docs.
React
Vue.js
Angular
Django
Flask
FastAPI
Next.js
Nuxt.js
Svelte
Laravel
Express.js
Node.js
And many more! JSONPost works with any technology that can make HTTP requests.
HTML forms, React, Vue, vanilla JS, mobile apps - if it can make HTTP requests, it works.
Classic form submission
Modern fetch API
Command line or Postman
What you get back
From simple contact forms to complex workflows, JSONPost handles all your form submission needs with ease.
Serverless HTML form notifications. JSONPost effortlessly handles submissions, storage, and notifications for your HTML forms. Perfect for static sites and landing pages.
Perfect for HTML contact us form notifications. Get instant email alerts when customers reach out through your website.
Receive customer reviews and feedback ratings. Collect valuable insights from your users to improve your products and services.
Collect responses from your audience. Create engaging surveys and quizzes to gather data and insights from your users.
Get alerted when a user submits a support ticket. Provide timely customer support with instant notifications.
Notifications for each new user account creation. Stay informed about your growing user base with real-time alerts.
Get alerted for changes in user subscription status. Monitor payment events and subscription changes in real-time.
Notifications for user behaviors & milestones. Track important user achievements and engagement events.
Get notified of specific errors in your website. Monitor and respond to critical issues before they impact users.
Go beyond form submissions. HTML form submissions are just the tip of the iceberg. JSONPost doubles as a notification API that works server-side and in the browser.
Why developer teams prefer JSONPost
Powerful form backend, modern notification API that works server-side and in the browser.
Generous usage limits and free tier with zero compromises.
Fight spam & bots with multiple security layers. The only form backend secured by API key.
Make a typesafe submission in one line of code with the JS Client. Easy as pie.
We're constantly shipping new features for developers
Handle file uploads with automatic cloud storage
Send automatic thank you emails to users
Custom validation rules and field requirements
Conversion tracking and detailed insights
Start free and scale as you grow. No hidden fees, no surprises.
🚀 Perfect for side projects
📈 For growing projects
🏢 For scaling businesses
All plans include SSL encryption, spam protection, and 24/7 support.Need a custom plan?
Stop building form backends. Start building features that matter.
Get Started FreeNo credit card required • 300 submissions free