For AI agents: visit https://developers.formstack.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI. Append .md to any documentation page URL to get its markdown version.
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API Reference
Changelog
v2.0
v2025.0
API Reference
v2025.0
API Reference
/portal/{portalId}
Getting Started
Overview
Authentication
Formstack API v2025.0
Confirmation Emails
/confirmations/{confirmationId}
get
/confirmations/{confirmationId}
put
/confirmations/{confirmationId}
del
/forms/{formId}/confirmations
get
/forms/{formId}/confirmations
post
Folders
/folders/{folderId}
get
/folders/{folderId}
put
/folders/{folderId}
del
/folders
get
/folders
post
Notification Emails
/notifications/{notificationId}
get
/notifications/{notificationId}
put
/notifications/{notificationId}
del
/forms/{formId}/notifications
get
