At the moment, fully automated LinkedIn posting via Power Automate or agents is not feasible for two reasons:
LinkedIn V2 Connector is broken
The “Publish article” action fails with:
- No root resource defined for path '/partnerApiPostsExternalV20230601'
- This indicates a changed/removed LinkedIn API endpoint. The connector needs to be fixed by Microsoft (no ETA known).
HTTP workaround is not unattended
LinkedIn requires OAuth 2.0 Authorization Code Flow:
- Interactive browser login required
- Access tokens valid for 60 days only
- No machine‑to‑machine or permanent automation possible
Is there any chance this will be fixed in the future?
Right now the LinkedIn V2 connector’s ‘Publish/Post article’ action is broken due to a backend endpoint change (/partnerApiPostsExternalV20230601 404). True unattended posting isn’t feasible because LinkedIn requires 3‑legged OAuth with ~60‑day tokens (refresh tokens only for approved partners). Use a custom connector to the current Posts API as a stopgap (with re‑auth), or log a Microsoft ticket and track for the connector fix.
Will it be fixed?
Likely yes, but no public ETA. The LinkedIn V2 connector is maintained by Microsoft; when LinkedIn deprecates or version‑shifts posting endpoints, the connector typically needs a mapping update. Keep an eye on the connector docs/release notes and your support case.
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