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Among CAPIF's key features are the following.
- Register/deregister APIs
- Publishing APIs
- 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
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Service Manager also implements 3GPP TS 29.222 V17.5.0 Common API Framework for 3GPP Northbound APIs. Service Manager uses a subset of CAPIF to provide the following APIs.
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When you call the Publish Service API of Service Manager, the requests body contains the IPv4 address and port of the API Publishing Function. In the response body, these values are replaced by the IP v4 Address and port of the Kong data plane. This allows us to use Kong as a reverse proxy. Instead of calling the Publishing service directly, our API request is proxied through Kong.
CAPIF core function APIs implemented by Service Manager
The table below lists the CAPIF Core Function APIs that are currently implemented:
Service Name | Service Operations | Operation Semantics | Consumer(s) |
CAPIF_API_Provider_Management_API | Register_API_Provider | POST /registrations | API Management Function |
Update_API_Provider | PUT /registrations/{registrationId} | API Management Function | |
Deregister_API_Provider | DELETE /registrations/{registrationId} | API Management Function | |
CAPIF_Publish_Service_API | Publish_Service_API | POST /{apfId}//service-apis | API Publishing Function, CAPIF core function |
Unpublish_Service_API | DELETE /{apfId/service-apis/{serviceApiId} | API Publishing Function, CAPIF core function | |
Update_Service_API | PUT /{apfId/service-apis/{serviceApiId} | API Publishing Function, CAPIF core function | |
Get_Service_API | GET /{apfId}/service-apis | API Publishing Function, CAPIF core function | |
CAPIF_API_Invoker_Management_API | Onboard_API_Invoker | POST /onboardedInvokers | API Invoker |
Offboard_API_Invoker | DELETE /onboardedInvokers/{onboardingId} | API Invoker | |
Update_API_Invoker_Details | PUT /onboardedInvokers/{onboardingId} | API Invoker | |
CAPIF_Discover_Service_API | Discover_Service_API | GET /allServiceAPIs | API Invoker, CAPIF core function |