LinkedIn Article Post Failing on URL

Describe the problem/error/question

Unable to post Article to LinkedIn

What is the error message (if any)?

“Your request is invalid or could not be processed by the service”

Please share your workflow

The rest of the workflow just uses Gemini to construct a post, then that text blob is passed to this LinkedIn node

Screenshot of the input, node configuration, and error message:

Information on your n8n setup

  • n8n version: 1.102.4 (Self Hosted)
  • Database (default: SQLite): default
  • n8n EXECUTIONS_PROCESS setting (default: own, main): default
  • Running n8n via (Docker, npm, n8n cloud, desktop app): Docker
  • Operating system: Windows 11 Pro (10.0.22631 N/A Build 22631)

Did you get authorized mail from LinkedIn to make post on LinkedIn through n8n?

Yeah I have the right permissions and access to the Advertising API to allow posting as an Org. Confirmed the credentials connect successfully, it’s just the posting that doesn’t work.

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