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serverORAN Jira
serverId5ec52304-b77c-3ce7-af6a-112cb13e6008
keyNONRTRIC-944
NONRTRIC - Service Exposure Manager


Service Manager builds on CAPIF.

CAPIF stands for common API framework and it was developed by 3GPP to enable a unified Northbound API framework across 3GPP network functions, and to ensure that there is a single and harmonized approach for API development.

Among CAPIF's key features are the following.

  • Onboarding/offboarding API invoker
  • Discovery APIs
  • Register/deregister APIs
  • CAPIF events subscription/notification
  • Entity authentication/authorization
  • Support for 3rd party domains i.e., allow 3rd party API providers to leverage the CAPIF framework
  • Support interconnection between two CAPIF providers


CAPIF implements 3GPP TS 29.222 V17.5.0 Common API Framework for 3GPP Northbound APIs.

Service Manager also implements 3GPP TS 29.222 V17.5.0 Common API Framework for 3GPP Northbound APIs. Service Manager used uses CAPIF to provide the following APIs.

  • Register/deregister APIs
  • Publishing APIs
  • Onboarding/offboarding API invoker
  • Discovery APIs