openapi: 3.2.0 info: title: Merchant-0 A2A Protocol Server Health API description: Agent-to-Agent Commerce API for the 2026 Agentic Economy version: '2026.1' tags: - name: Health paths: /health: get: summary: Health description: Detailed health check. operationId: health_health_get responses: '200': description: Successful Response content: application/json: schema: {} tags: - Health