{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/zh-ch/json-schema/zh-ch-heartbeat-schema.json",
  "title": "Heartbeat",
  "description": "Heartbeat message.",
  "x-generated": "2026-11-10",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/zh-ch-traffic-counts-openapi.yml#/components/schemas/Heartbeat",
  "type": "object",
  "properties": {
    "alive": {
      "type": "integer",
      "format": "int32"
    }
  }
}