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3142922 - HTTP REST POST OAUTH2.0 call failed with HTTP 400 : Invalid or missing grant_type


When trying to execute a REST call using OAuth 2.0 Client Credential credential, below error is occuring in CPI:

"title": "Invalid grant_type", "detail": "Invalid or missing grant_type.", "status": "400" 
{"error":"invalid_request","error_description":"Missing grant type"}

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.



  • SAP Integration Suite
  • Cloud Integration


Cloud Integration all versions ; SAP Integration Suite all versions


OAuth, OAuth2 Client Credentials, Missing Grant Type, HTTP 400, Cloud Integration, SAP Integration Suite, CPI , KBA , LOD-HCI-PI-CON-HTP , HTTP Adapter , Problem

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