{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://smklog.com/developers/schemas/liveness.schema.json",
  "title": "Liveness",
  "type": "object",
  "description": "The liveness answer: the service is up and which version is serving.",
  "required": [
    "ok",
    "service",
    "version",
    "time"
  ],
  "properties": {
    "ok": {
      "type": "boolean",
      "enum": [
        true
      ]
    },
    "service": {
      "type": "string",
      "enum": [
        "smklog-quote-api"
      ]
    },
    "version": {
      "type": "string",
      "description": "Product version shared by the OpenAPI, the MCP server and the agent card"
    },
    "time": {
      "type": "string",
      "format": "date-time",
      "description": "Server time, ISO 8601"
    },
    "last_estimate_race": {
      "type": [
        "object",
        "null"
      ],
      "description": "Diagnostic: the latest estimator race outcome, null when none is recorded",
      "additionalProperties": true
    }
  },
  "x-provenance": {
    "method": "published",
    "publisher": "SMKlog (SMKLOG-2022 LLC)",
    "source": "https://quote-api.smklog.com/openapi.json",
    "published": "2026-10-12"
  }
}