https://firaform.com/
FiraForm - Headless Form Backend for Developers
The headless form backend built for developers and designers. Create forms your way, host anywhere. Get validation, webhooks, email notifications, and more...
form backendheadlessdevelopers
https://formcake.com/
Formcake - The Form Backend for Devs
The Form Backend for Devs
form backenddevs
https://formbold.com/alternatives
Best Form Backend and Form API Alternatives
Compare the best form backend services, including FormBold, Formspree, Web3Forms, Tally, Jotform, and more. Find the right form API for a website based on...
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https://fabform.io/
Form Backend Service
Add working forms to any static site in minutes. Create an endpoint, receive submissions instantly, and get email alerts with built‑in spam protection.
form backendservice
https://www.dropform.app/
AI-Native Form Backend | DropForm
AI-native form backend that turns form submissions into structured, actionable data. Auto-summaries, categorization and clean APIs for modern workflows and...
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https://slapform.com/
Free form backend - Backend service for HTML forms - Slapform
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https://000form.com/
000form - Free Form Backend for Your Website
000form - Free form backend for your websites. No server required.
free formbackend
https://snapitforms.com/index.html
SnapItForms — The Simplest Form Backend on the Internet
SnapItForms handles form submissions, email notifications, and analytics. No backend required. Free tier with 500 submissions/month.
form backendsimplestinternet
https://forminit.com/
Forminit (formerly Getform.io) - Headless Form Backend API
Headless form backend API that handles submissions, validation, file uploads, notifications, and webhooks. You build the frontend, Forminit handles the rest.
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https://www.staticforms.dev/
HTML Form Backend - Contact Forms for Static Sites
Simple HTML form backend for static websites. Add contact forms without server code. Built-in reCAPTCHA, Cloudflare Turnstile, Altcha, email delivery, and...
html formbackendformsstaticsites
https://formx.stream/
formX | Form backend software to handle form submissions
Powerful form endpoints with backend software to handle your submissions.
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https://formester.com/features/html-form-backend/
HTML Form Backend to Collect Form Submissions Easily | Formester
Create a secure HTML form backend in minutes. Collect submissions, get instant email alerts, block spam, and manage entries easily. No server code required....
html formbackendcollectsubmissionseasily
https://zapl.io/
Zapl | HTML Form Backend, Webhooks, and Visitor Analytics
Replace your form action URL and start collecting submissions instantly. Zapl adds inbox management, spam protection, webhooks, and analytics without backend...
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https://formsubmit.co/el/cofiya
FormSubmit | Easy to use form backend - form endpoints for your HTML forms
FormSubmit is a form backend, API and email service for HTML forms. It sends your site's form submission directly into your inbox without a need for any...
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https://formigo.io/
Form Backend API for Developers | Formigo
API-first form backend. Get submissions delivered to Email, Slack, Discord, Google Sheets, and more. Free forever, no credit card required.
form backendapidevelopers
https://forminit.com/blog/
Blog - Forminit Form Backend Articles, Guides & Tutorials
Articles, guides, and tutorials about form backends, API integrations, and web development. Code examples and best practices.
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https://davidcanton.net/2026/02/integrar-redsys-en-net-con-tarjeta-y-bizum-backend-formulario-real/
Integrar Redsys en .NET con tarjeta y Bizum (backend + form)
Feb 20, 2026 - Tutorial funcional para integrar pagos Redsys con tarjeta y Bizum en .NET, con form front, redirección TPV, firma HMAC SHA512 V2 y callbacks.
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https://kwesforms.com/
The Most Powerful Backend for Your HTML Forms | Form Endpoint Service
KwesForms is a powerful form backend service built for developers. Bring your own HTML and we'll handle the rest.
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https://surveyjs.io/try/reactjs
JSON Form Libraries for React | Drag-and-Drop Interface, Any Backend
Integrate SurveyJS into your React app to build, render, and analyze JSON-based surveys within your own environment. Stay in control of your data.
jsonformlibrariesreactdrag
https://nocodeapi.com/marketplace/nocode-forms/
NoCode Forms Build a Web Form without backend - NoCodeAPI
Collect form submissions with no code. NoCode Forms enables you to automatically accept, store and list your form submissions. All with no code.
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https://surveyjs.io/documentation/backend-integration
Integration with Backend | Open-source JS Form Builder Libraries
With SurveyJS, you have total freedom of choice of your backend because our libraries are fully compatible with any server-database combination. Read this...
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