
Yes this is doable. The most reliable way is to skip the Teams transcript trigger entirely and use "When a new file is created in a folder" on OneDrive or SharePoint instead ,pointing at the folder where Teams saves transcripts. That avoids the webhook/notification issues entirely.
The flow would be:
Trigger: "When a new file is created" in OneDrive (Recordings folder)
Get file content
Create a OneNote page using the meeting title as the page name and transcript content as the body
On your specific error : NotificationUrl must use the https scheme , this happens when the webhook registration fails during flow creation. Make sure you're building this as a cloud flow at make.powerautomate.com and not from a local/desktop environment. If you already are, delete the trigger, save, then re-add it and save again.
References:
Transcript to OneNote via file trigger: https://dellenny.com/automating-microsoft-teams-meeting-summaries-with-power-automate/
Teams transcript trigger reliability issues: https://learn.microsoft.com/en-us/answers/questions/5665914/system-message-calltranscripteventmessagedetail-no