{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://developers.snap.com/schemas/snapchat/conversion-event.json",
  "title": "Snapchat Conversion Event",
  "description": "Schema for validating Snapchat Conversions API (CAPI) v3 event payloads sent via the server-to-server integration for web, app, and offline conversion tracking.",
  "type": "object",
  "required": ["data"],
  "properties": {
    "data": {
      "type": "array",
      "description": "Array of conversion event objects to submit. Maximum 2,000 events per request.",
      "minItems": 1,
      "maxItems": 2000,
      "items": {
        "$ref": "#/$defs/ConversionEvent"
      }
    }
  },
  "$defs": {
    "ConversionEvent": {
      "type": "object",
      "description": "A single conversion event with event metadata, user identification data, and optional custom data.",
      "required": ["event_name", "event_time", "action_source"],
      "properties": {
        "event_name": {
          "type": "string",
          "description": "The name of the conversion event being reported.",
          "enum": [
            "PAGE_VIEW",
            "VIEW_CONTENT",
            "ADD_CART",
            "ADD_TO_WISHLIST",
            "SIGN_UP",
            "SEARCH",
            "PURCHASE",
            "ADD_BILLING",
            "COMPLETE_TUTORIAL",
            "SUBSCRIBE",
            "AD_CLICK",
            "AD_VIEW",
            "START_CHECKOUT",
            "RATE",
            "LIST_VIEW",
            "ADD_TO_CART",
            "LEVEL_COMPLETE",
            "ACHIEVEMENT_UNLOCKED",
            "SPEND_CREDITS",
            "SAVE",
            "SHARE",
            "INVITE",
            "LOGIN",
            "RESERVE",
            "START_TRIAL",
            "CUSTOM_EVENT_1",
            "CUSTOM_EVENT_2",
            "CUSTOM_EVENT_3",
            "CUSTOM_EVENT_4",
            "CUSTOM_EVENT_5"
          ]
        },
        "event_time": {
          "type": "integer",
          "description": "Unix timestamp in seconds when the event occurred. Events can be up to 37 days in the past.",
          "minimum": 0
        },
        "event_source_url": {
          "type": "string",
          "format": "uri",
          "description": "The URL of the web page where the event occurred. Required for web events."
        },
        "event_id": {
          "type": "string",
          "description": "A unique identifier for the event, used for deduplication across multiple submissions."
        },
        "action_source": {
          "type": "string",
          "description": "The source indicating where the conversion event originated.",
          "enum": ["WEB", "MOBILE_APP", "OFFLINE"]
        },
        "user_data": {
          "$ref": "#/$defs/UserData"
        },
        "custom_data": {
          "$ref": "#/$defs/CustomData"
        },
        "app_data": {
          "$ref": "#/$defs/AppData"
        }
      }
    },
    "UserData": {
      "type": "object",
      "description": "User identification data for matching conversion events to Snapchat users. All PII fields should be SHA-256 hashed before sending.",
      "properties": {
        "em": {
          "type": "string",
          "description": "SHA-256 hashed lowercase email address of the user."
        },
        "ph": {
          "type": "string",
          "description": "SHA-256 hashed phone number in E.164 format."
        },
        "fn": {
          "type": "string",
          "description": "SHA-256 hashed lowercase first name of the user."
        },
        "ln": {
          "type": "string",
          "description": "SHA-256 hashed lowercase last name of the user."
        },
        "ge": {
          "type": "string",
          "description": "SHA-256 hashed gender (m or f)."
        },
        "db": {
          "type": "string",
          "description": "SHA-256 hashed date of birth in YYYYMMDD format."
        },
        "ct": {
          "type": "string",
          "description": "SHA-256 hashed lowercase city name."
        },
        "st": {
          "type": "string",
          "description": "SHA-256 hashed lowercase two-letter state code."
        },
        "zp": {
          "type": "string",
          "description": "SHA-256 hashed five-digit zip code."
        },
        "country": {
          "type": "string",
          "description": "SHA-256 hashed lowercase two-letter country code."
        },
        "external_id": {
          "type": "string",
          "description": "SHA-256 hashed external identifier for the user."
        },
        "client_ip_address": {
          "type": "string",
          "description": "The IP address of the user's browser or device."
        },
        "client_user_agent": {
          "type": "string",
          "description": "The user agent string of the user's browser."
        },
        "sc_click_id": {
          "type": "string",
          "description": "The Snapchat click ID from the ad click URL parameter."
        },
        "sc_cookie1": {
          "type": "string",
          "description": "The Snapchat first-party cookie value."
        },
        "idfv": {
          "type": "string",
          "description": "iOS identifier for vendor."
        },
        "idfa": {
          "type": "string",
          "description": "iOS identifier for advertisers."
        },
        "madid": {
          "type": "string",
          "description": "Mobile advertising device ID (Android)."
        }
      }
    },
    "CustomData": {
      "type": "object",
      "description": "Custom data associated with the conversion event, such as purchase details and product information.",
      "properties": {
        "currency": {
          "type": "string",
          "description": "ISO 4217 currency code (e.g., USD, EUR).",
          "pattern": "^[A-Z]{3}$"
        },
        "price": {
          "type": "number",
          "description": "The monetary value or price associated with the event.",
          "minimum": 0
        },
        "transaction_id": {
          "type": "string",
          "description": "A unique transaction identifier for deduplication."
        },
        "search_string": {
          "type": "string",
          "description": "The search query string for SEARCH events."
        },
        "sign_up_method": {
          "type": "string",
          "description": "The method used for sign-up (e.g., email, google, facebook)."
        },
        "num_items": {
          "type": "integer",
          "description": "Number of items associated with the event.",
          "minimum": 0
        },
        "payment_info_available": {
          "type": "integer",
          "description": "Whether payment info is available (1) or not (0).",
          "enum": [0, 1]
        },
        "contents": {
          "type": "array",
          "description": "Array of product or content items associated with the event.",
          "items": {
            "$ref": "#/$defs/ContentItem"
          }
        }
      }
    },
    "ContentItem": {
      "type": "object",
      "description": "A product or content item associated with a conversion event.",
      "properties": {
        "id": {
          "type": "string",
          "description": "The product or content identifier."
        },
        "quantity": {
          "type": "integer",
          "description": "The quantity of the item.",
          "minimum": 1
        },
        "item_price": {
          "type": "number",
          "description": "The price of the individual item.",
          "minimum": 0
        },
        "brand": {
          "type": "string",
          "description": "The brand name of the item."
        },
        "category": {
          "type": "string",
          "description": "The category of the item."
        }
      }
    },
    "AppData": {
      "type": "object",
      "description": "App-specific data for mobile app conversion events.",
      "properties": {
        "advertiser_tracking_enabled": {
          "type": "boolean",
          "description": "Whether the user has enabled advertiser tracking."
        },
        "application_tracking_enabled": {
          "type": "boolean",
          "description": "Whether the app has tracking enabled."
        },
        "extinfo": {
          "type": "array",
          "description": "Extended device information array.",
          "items": {
            "type": "string"
          }
        }
      }
    }
  }
}