Stop writing backend code just to collect form data. FlexSubmit's form backend API accepts any JSON structure, handles storage, and sends notifications instantly.
Create a form in our dashboard. Get your unique API endpoint instantly. No configuration needed.
https://api.flexsubmit.com/submit/your-form-idSend any JSON payload from your frontend, mobile app, or anywhere. We accept any structure—no schema required.
fetch('https://api.flexsubmit.com/submit/your-form-id', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
email: 'user@example.com',
message: 'Hello!',
customField: 'Any data you want'
})
})Your data is stored securely, notifications are sent, and you can view everything in our dashboard.
Add contact forms to any site without backend infrastructure. Just POST the data and we handle the rest.
Collect feature requests from users. Accept any structure, store everything, and review in one dashboard.
Capture leads from landing pages, apps, or marketing campaigns without managing databases.
Log custom events, errors, or analytics from your app. Submit any data structure you need.
Build pre-launch waitlists in minutes. Collect emails and user info without backend setup.
Gather user feedback, bug reports, or survey responses from anywhere in your application.
No schema required. Send any data structure and we'll store it.
From zero to collecting data in under 60 seconds.
Get email alerts instantly when new submissions arrive.
All data encrypted and stored securely. Export anytime.
Simple, documented API that works with any tech stack.
Export your data anytime. Switch providers if needed.
Join developers who've eliminated form backend complexity. Start collecting submissions in 60 seconds.
No credit card required • Free tier available • Cancel anytime