MS GraphAPI / Excel Authentication with app-only access

Questions
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1

Hello,

I am trying to configure credentials to access MS Excel. I am using app-only access token, the Microsoft Entra ID credentials are setup and working fine, as I’ve tested it calling Graph API directly with it using their Postman collection.
What I am struggling with is that for this kind of authentication there is no need for a callback URL, and it seems all the available options for MS OAuth authentication credentials require a callback URL, which leads me to think this is not a supported scenario in n8n?

Truly appreciate your help!

Kind regards

2

It looks like your topic is missing some important information. Could you provide the following if applicable.

  • n8n version:
  • Database (default: SQLite):
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app):
  • Operating system: