> ## Documentation Index
> Fetch the complete documentation index at: https://docs.agno.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Basic A2A Messaging

> Migrate the legacy A2A client route to the current AgentOS server and client examples.

The v2 cookbook examples for this route were removed. Use the current A2A server and client pair for Agno v3.

| Task                                | Current example                                  |
| ----------------------------------- | ------------------------------------------------ |
| Start an A2A-enabled AgentOS server | [Basic A2A server](/examples/agent-os/a2a/basic) |
| Send a message with `A2AClient`     | [A2A client](/examples/agent-os/a2a/client)      |