18.2
FormTitan is a Salesforce-first platform for building forms, portals, eSign workflows, documents, and surveys while keeping Salesforce as the central record source.
Free planAndroidiOSWeb
Best Form API Software in 2026
If you need to gather information and route form responses into other systems, compare the features that shape how forms work and where submissions go. Conditional logic, file uploads, electronic signatures, and webhooks are included, along with deployment model and monthly submission limits. Free-plan availability and paid-from pricing help you assess access and cost. Consider what your forms need to collect, how…
28.1
Forminit is a headless form backend API for teams that want to design their own form interface while offloading submission handling.
Free planAndroidiOSWeb
37.9
OpnForm helps you build forms, surveys, and workflows using a drag-and-drop editor.
Free planOpen sourceWebAPISelf-hosted
- 4
Orbeon Forms
Orbeon Forms manages web forms from design and testing through publishing, data capture, validation, and submission.
Free planOpen sourceWebAPILinuxSelf-hosted7.9From $1,300 a year - 5
SurveyJS
SurveyJS is a set of JavaScript components for building surveys, quizzes, polls and other web forms, and for storing responses and presenting results in dashboards.
Free planOpen sourceWebAPISelf-hosted7.9Free plan - 6
Paperform
Paperform is an online platform for building customizable forms and product pages without code.
Free planWebAPI7.6Free plan - 7
forms.app
forms.app is a web-based form builder designed for teams, with options to create forms, collect responses and payments, and share or embed forms.
Free planWeb7.5From $19 a month - 8
Formsite
Formsite is an online form builder for creating forms, surveys, questionnaires, polls, ecommerce pages, and secure data-collection sites.
Free planWebAPI7.2Free plan - 9
FormKeep
FormKeep provides a backend for collecting submissions from HTML forms, along with a visual designer for hosted forms.
Free planWebAPI7.0From $4.99 a month - 10
Formsort
Formsort is a low-code form builder for product teams creating onboarding, check-in, quiz, and other forms.
Free planWeb7.0From $279 a month - 11
Endatix
Endatix is a self-hosted, open-source form and survey management platform for teams that want control over their data.
Free planWebAPILinuxmacOS6.9From $360 a month - 12
Formspree
Formspree handles website form submissions without requiring a backend, sending them to email, a dashboard, and integrations.
Free planWebAPI6.8From $15 a month - 13
Formcarry
Formcarry is a cloud form API that receives submissions from HTML, React, Vue, and other frameworks without requiring backend form-processing code.
Free planWebAPI6.7From $60 a year - 14
HeadlessForms
HeadlessForms is a cloud backend for receiving online form submissions without code or additional infrastructure.
Free planWebAPI6.7From $1,928 a month - 156.6Free plan
- 16
Form.io
Form.io is a form and data management platform for building forms and APIs through a drag-and-drop interface, with forms defined as JSON schema.
WebAPISelf-hosted6.6From $2,640 a year - 17
FormBackend
FormBackend gives HTML forms an endpoint for submissions, without requiring server-side code or a database.
Free planWebAPI6.6From $5 a month - 18
6.6From $13 a month - 19
Formidable
Formidable is a cloud-based form builder that uses natural-language descriptions to generate forms.
Free planWebAPI6.6From $15 a month - 20
Formspark
Formspark is a cloud form backend that receives and stores submissions from HTML forms, without requiring customers to manage servers or databases.
Free planWebAPI6.6Free plan - 21
Web3Forms
Web3Forms sends website contact-form submissions to an email inbox through an API, so a site can collect messages without server or backend code.
Free planWebAPI6.6From $49 a year - 22
Feathery
Free planWebAPI6.5Free plan - 23
Formly
Formly is a web-based form builder for creating, publishing, and analysing forms through an AI agent or visual editor.
WebAPI6.3From $24 a month - 24
FormSubmit
FormSubmit is a cloud service that sends HTML form submissions to an email address without requiring PHP, JavaScript, or backend code.
Free planWebAPI6.2Free plan - 25
Forms & Workflow (OpenForms)
Forms & Workflow (OpenForms) is a paid cloud service that helps governments turn paper and PDF forms, plus resident requests, into online services and digitized workflows.
WebAPI5.5