{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/ninetailed/main/json-schema/ninetailed-profile.json",
  "title": "NinetailedProfile",
  "description": "A Ninetailed visitor profile containing identity, behavioral, session, and location data used for personalization and A/B test variant assignment.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the visitor profile."
    },
    "stableId": {
      "type": "string",
      "description": "Stable cross-session identifier for the visitor, persisted via cookie."
    },
    "random": {
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "description": "Random float (0-1) used for deterministic traffic splitting in A/B tests."
    },
    "audiences": {
      "type": "array",
      "description": "List of audience IDs the visitor currently qualifies for.",
      "items": {
        "type": "string"
      }
    },
    "traits": {
      "type": "object",
      "description": "Merged identify traits from all identify events for this visitor.",
      "additionalProperties": true
    },
    "location": {
      "$ref": "#/definitions/Location"
    },
    "session": {
      "$ref": "#/definitions/Session"
    },
    "jurisdiction": {
      "type": "string",
      "description": "Regulatory jurisdiction code (e.g. GDPR, CCPA) resolved from visitor location."
    },
    "stickyVariants": {
      "type": "object",
      "description": "Map of experience ID to variant index for sticky (consistent) variant assignment.",
      "additionalProperties": {
        "type": "string"
      }
    }
  },
  "definitions": {
    "Location": {
      "type": "object",
      "description": "Geographic location resolved from the visitor's IP address.",
      "properties": {
        "lat": {
          "type": "number",
          "description": "Latitude coordinate."
        },
        "lon": {
          "type": "number",
          "description": "Longitude coordinate."
        },
        "city": {
          "type": "string",
          "description": "City name."
        },
        "region": {
          "type": "string",
          "description": "Region or state code."
        },
        "country": {
          "type": "string",
          "description": "ISO 3166-1 alpha-2 country code.",
          "pattern": "^[A-Z]{2}$"
        },
        "timezone": {
          "type": "string",
          "description": "IANA timezone identifier (e.g. America/New_York)."
        }
      }
    },
    "Session": {
      "type": "object",
      "description": "Session-level metadata for the visitor.",
      "properties": {
        "id": {
          "type": "string",
          "description": "Unique session identifier."
        },
        "isReturningVisitor": {
          "type": "boolean",
          "description": "True if the visitor has been seen in a previous session."
        },
        "landingPage": {
          "type": "string",
          "format": "uri",
          "description": "URL of the first page visited in this session."
        },
        "count": {
          "type": "integer",
          "minimum": 1,
          "description": "Total number of sessions this visitor has had."
        },
        "sessionLength": {
          "type": "integer",
          "minimum": 0,
          "description": "Length of the current session in seconds."
        }
      }
    }
  }
}