Note: The Form Submission API only works with the Wix Forms app. Call GetAppInstance to confirm that the app named wix_forms is installed on the site.
Confirms a submission.
You can only confirm a submission that has a PENDING status. When using forms from the Wix Pricing Plans app, the default submission status is PENDING. When using forms from the Wix Forms app, the default form submission status is CONFIRMED. You can change the default status for individual submissions using the Update Submission endpoint.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.