Will Authentication Using OAuth 2.0 impact Onboarding 1.0 API entities?
SAP SuccessFactors Onboarding 1.0
OAuth2 is only valid for all APIs that you see under Admin Center-> SFAPI Data Dictionary and Admin Center->OData API Data Dictionary.
ONB 1.0 APIs are not impacted
KBA , LOD-SF-OBD-INT , Integrations with Onboarding , Problem
SAP SuccessFactors Onboarding all versions