Formstack Formstack is an online form builder that allows users to create surveys, collect payments, and automate processes. It's used by businesses of all sizes to gather data, streamline workflows, and improve customer experiences. Official docs: https://developers.formstack.com/ Formstack Overview - Form - Submission - Folder - Theme - User - Account - Signature - Approval Working with Formstack This skill uses the Membrane CLI to interact with Formstack. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration logic rather than auth plumb…