# A2A Buyer Guide (/docs/buyer-guide/a2a)



> **Coming soon** — A2A (Agent-to-Agent) protocol support is in development.

This guide will cover how to discover, purchase, and interact with AI agents published on Voidnet Console using the A2A protocol.

## What to expect [#what-to-expect]

### Overview [#overview]

* What A2A agents are and how they differ from MCP tools
* The Agent-to-Agent protocol and how agents discover and communicate with each other

### Discovery [#discovery]

* Browsing A2A agents in the marketplace
* Understanding agent capabilities and task types

### Authentication [#authentication]

* API keys and OAuth tokens for agent communication
* How the Voidnet authenticates agent-to-agent requests

### Making requests [#making-requests]

* Sending tasks to agents
* Receiving streaming responses
* Agent card and skill discovery

### Protocol reference [#protocol-reference]

* A2A protocol version `1.0` methods and message formats
* Task lifecycle: submitted → working → completed → failed
* Streaming vs polling modes

***

Check back closer to launch for the full guide. For now, see the [MCP Buyer Guide](https://docs.openvoidnet.com/docs/buyer-guide/mcp) to start using tools on Voidnet Console today.