FormKeep is a platform that provides form endpoints for designers and developers. It allows users to build and manage forms without the need for iframes or JavaScript libraries. The platform offers a range of features including automatic spam filtering, email notifications, and integration with third-party apps like Google Sheets, Slack, and Zapier. Users can create forms using their existing HTML forms or build new ones using FormKeep's visual form builder. The platform also supports server-side data validation, webhooks, and mobile-friendly forms. FormKeep is designed to be a robust backend for forms, ensuring data security and ease of use for developers and designers.