formbox.app

What It Is

Formbox is a hosted form backend and no-code form builder for website forms. Users can point the action of an existing HTML form to a Formbox endpoint to collect submissions, or create branded forms from scratch with a drag-and-drop builder and share them via link or embed them on a website. It is positioned as a form submission management service that requires “no backend and no server-side code.”

Core Capabilities

From a developer tooling perspective, Formbox’s main value is reducing the cost and effort of adding form backends to static sites, Jamstack projects, Webflow, WordPress, and no-code apps. It supports a real-time submission inbox, email notifications, autoresponders, file uploads, CSV/JSON export, custom domains, custom redirects, and thank-you pages. For security and governance, it offers AI spam filtering, trusted domain restrictions, country restrictions, and data retention settings. Team features include organizations and the ability to invite teammates or clients to collaborate, making it suitable for agencies that need to manage forms separately by client.

API, Frameworks, and Ecosystem

Formbox does not require a specific language, framework, or SDK. Standard HTML forms and fetch/XHR AJAX submissions are both supported, with cross-origin requests enabled. Its integration ecosystem is fairly complete: the crawled text lists Google Sheets, Airtable, Notion, Slack, Mailchimp, Zapier, and GitHub, allowing form submissions to be synced to spreadsheets, knowledge bases, notifications, email marketing tools, or converted into GitHub issues. On the documentation side, the site provides a documentation entry point and a simple HTML example, but we did not find a full API reference, error codes, authentication details, or rate-limit specifics, so the overall documentation quality is difficult to assess fully at this stage.

Pricing and Limits

Formbox can be started for free without a credit card. Paid plans require a valid credit card and are prepaid monthly or annually. Upgrading from the free plan to a paid plan triggers an immediate charge, and the service does not provide refunds for partial months, downgrades, or unused months. The main content does not disclose specific plan pricing, free quotas, submission limits, storage, or bandwidth allowances. The terms only mention that API rate limiting may apply, and that usage may be restricted if bandwidth exceeds 500MB/month or is significantly above average.

Pros, Cons, and Best Fit

Its strengths are very fast setup, no backend requirement, support for both existing forms and visual form creation, and integrations with common business tools. Its drawbacks are the lack of disclosed information on open source availability, self-hosting, SLA, compliance certifications, and data residency, all of which enterprise buyers would need to verify further. It is suitable for freelancer portfolios, small-business inquiry/booking/feedback forms, agencies managing forms for multiple clients, and teams that want form data to flow automatically into Slack, Sheets, Notion, Mailchimp, or GitHub.

Access from China

The crawled content does not provide information about access from mainland China, localized payment options, ICP filing, or CDN deployment, so china_access can only be rated as unknown. For teams using it in China, we recommend testing the form submission endpoint, dashboard access, email notification deliverability, and credit card payment availability. Domestic alternatives include 金数据, 问卷星, and 腾讯问卷; developer-oriented form backend alternatives include Formspree, Getform, and Basin.