Canvas and Marble does not require user accounts and does not collect personal information from website visitors.
If you previously interacted with our Meta-integrated tooling and would like any associated data deleted, send an email to hello@canvasandmarble.com with the subject line Data Deletion Request. We will confirm within 7 days and complete the deletion within 30.
Meta Data Deletion Callback
Developers integrating with the Meta Platform should send the standard signed_request payload via POST to:
https://canvasandmarble.com/api/meta/data-deletion
The endpoint validates the HMAC signature with our App Secret and responds with a JSON object containing a confirmation URL and code, in accordance with Meta's Data Deletion Callback specification.