Agent-to-Agent (A2A) server

Serverless Elasticsearch Preview Serverless Observability Unavailable Serverless Security Unavailable Stack Preview 9.2.0

The Agent-to-Agent (A2A) server enables external A2A clients to communicate with Elastic Agent Builder agents.

Agent cards endpoint

Returns metadata for a specific agent. The agentId is a path parameter that corresponds to your agent IDs:

GET /api/agent_builder/a2a/{agentId}.json

Interact with agents following the A2A protocol specification:

POST /api/agent_builder/a2a/{agentId}

Important

Both A2A endpoints require API key authentication. For more information about the A2A protocol, refer to the A2A protocol specification.