5G Core Network APIs (OpenAPI 3)

API version 1.PreR15.1.0 (Sept. 2018)

The links below will open the Swagger Editor and auto-load the OpenAPI YAML file of each Network Function (NF) API:

NRF (NF Repository Function)

• NF Management
• NF Discovery
• OAuth2 Authorization

LMF (Location Management Function)

• Location

AMF (Access and Mobility Management Function)

• Communication
• Event Exposure
• Location
• MT

SMF (Session Management Function)

• PDU Session
• Event Exposure

UDM (Unified Data Management)

• Subscriber Data Management
• UE Context Management
• UE Authentication
• Event Exposure
• Parameter Provisioning

UDR (Unified Data Repository)

• Data Repository

AUSF (Authentication Server Function)

• UE Authentication
• SoR Protection

NSSF (Network Slice Selection Function)

• NSSAI Availability
• NS Selection

SMSF (SMS Function)

• SM Service

5G-EIR (5G Equipment Identity Register)

• Equipment Identity Check

NEF (Network Exposure Function)

• Packet Flow Description (PFD) Management

PCF (Policy Control Function)

• Policy Authorization
• Access and Mobility (AM) Policy Control
• Session Management (SM) Policy Control
• Background Data Transfer (BDT) Policy Control

BSF (Binding Support Function)

• Management

NWDAF (Network Data Analytics Function)

• Events Subscription
• Analytics Info

CHF (Charging Function)

• Spending Limit Control
• Converged Charging

Common Data Types

• Common Data

Northbound APIs (T8)

NOTE: These APIs are not part of the 5G Core Network; these APIs are exposed by the 4G SCEF to the SCS/AS

• Event Monitoring
• Resource Management of Background Data Transfer (BDT)
• Chargeable Party
• Non-IP Data Delivery (NIDD)
• Device Triggering
• Group Message Delivery via MBMS by MB2
• Group Message Delivery via MBMS by xMB
• Network Status Reporting
• Communication Patterns (CP) Parameters Provisioning
• Packet Flow Description (PFD) Management
• Enhanced Coverage Restriction Control
• Network Parameter Configuration
• Application Server (AS) Session with QoS
• MSISDN-less Mobile-Originated SMS
• Common Data