Diameter Protocol API Reference¶

The Diameter protocol API provides interfaces for authentication, authorization, and accounting (AAA) in telecommunications networks. This section covers the available Diameter interfaces and their usage.

Available Interfaces¶

• Gx Interface - Policy and Charging Control
• Rx Interface - Application Function to PCRF
• Ro/Gy Interface - Online Charging
• Rf Interface - Offline Charging

Common Operations¶

All Diameter interfaces support the following operations:

• Session establishment
• Message routing
• AVP handling
• Error handling
• State management

Authentication¶

All Diameter endpoints require authentication. See the Authentication section for details.

Error Handling¶

Diameter-specific error codes and their handling are documented in each interface's section.

Rate Limiting¶

Standard API rate limits apply to all Diameter endpoints. See Rate Limiting for details.