A2A Push Notifications

Before writing code

Fetch live docs:

1. Fetch https://a2a-protocol.org/latest/specification/ for the push notification section
2. Web-search site:github.com a2aproject A2A push notifications for notification protocol details
3. Web-search site:github.com a2aproject a2a-samples push notification for implementation examples
4. Fetch SDK docs for push notification classes and configuration

Conceptual Architecture

What Push Notifications Are

Push notifications allow A2A servers to proactively notify clients about task state changes without requiring the client to hold open a streaming connection or poll. The client registers a callback URL, and the server POSTs updates to it.

When to Use Push Notifications