Agentic AI Reference Architecture

Experience · Interface

Result Callback Webhook

InterfaceExperienceExperience & Human Oversightarc:ResultCallbackWebhook

A client-registered callback endpoint to which completed asynchronous agent results are pushed, so clients need not hold connections open or poll.

Responsibility. Delivers asynchronous agent results to the requesting client.

Also known as: Webhook notification, Async result callback

sends data toreceives data fromEnd User: sends data toEnd UserPublish-Subscribe Bus: receives data fromPublish-Subscribe Bus
Direct neighbourhood (hover for relationship types)

Relationships

receives data from dynamic

sends data to dynamic

Classification

Patterns
Asynchronous request-reply
Quality attributes
Performance efficiency (ISO/IEC 25010)
Risks mitigated
Connection pool exhaustion from long synchronous requests

Sources

  1. Ch4.2: T. Nguyen, "Deployment and Scaling," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 4.2. ISBN: 9798244538229.