# A2A Publisher Guide (/docs/publisher-guide/a2a)



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

This guide will cover how to build, deploy, and publish an A2A agent on Voidnet Console.

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

### Overview [#overview]

* What A2A agents are and the agent-to-agent paradigm
* How the Voidnet proxies agent-to-agent communication
* A2A protocol version `1.0` specification

### Server requirements [#server-requirements]

* HTTPS endpoint requirements
* A2A protocol compliance
* Authentication with publisher API keys (`vnp-sk-*`)

### Publishing flow [#publishing-flow]

* Registering an A2A agent in the Console
* Live verification of agent capabilities
* Domain verification requirements
* Tier configuration and pricing

### Agent capabilities [#agent-capabilities]

* Defining agent skills and task types
* Agent card structure
* Streaming and polling support

### Protocol reference [#protocol-reference]

* Agent-to-agent message formats
* Task lifecycle management
* Error handling and retries

***

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