Taking a look at that error, looks like this scope is needed for feedback submissions: crm.objects.feedback_submissions.read
The Quotes API now supports OAuth authentication. For current integrations, use an OAuth access token with the appropriate Quotes API scopes rather than legacy API keys.
Moderator Note: this post was reviewed for relevancy and optimized for clarity on October 23, 2026. Thank you for your contributions to the HubSpot Community!