{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/bandwidth/message.json",
  "title": "Bandwidth Message",
  "description": "Represents an SMS or MMS message sent or received through the Bandwidth Messaging API, including delivery status, media attachments, and routing metadata.",
  "type": "object",
  "required": ["from", "to", "applicationId"],
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier for the message, assigned by Bandwidth"
    },
    "owner": {
      "type": "string",
      "description": "The Bandwidth phone number that owns the message"
    },
    "applicationId": {
      "type": "string",
      "description": "The Bandwidth application ID associated with the message"
    },
    "from": {
      "type": "string",
      "pattern": "^\\+1[2-9]\\d{9}$",
      "description": "The source phone number in E.164 format"
    },
    "to": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^\\+1[2-9]\\d{9}$"
      },
      "minItems": 1,
      "maxItems": 50,
      "description": "Array of destination phone numbers in E.164 format"
    },
    "text": {
      "type": "string",
      "maxLength": 2048,
      "description": "The text content of the message"
    },
    "media": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "description": "Array of media URLs for MMS attachments"
    },
    "direction": {
      "type": "string",
      "enum": ["in", "out"],
      "description": "The direction of the message (in for received, out for sent)"
    },
    "segmentCount": {
      "type": "integer",
      "minimum": 1,
      "description": "The number of segments the message was split into for delivery"
    },
    "time": {
      "type": "string",
      "format": "date-time",
      "description": "The ISO 8601 timestamp when the message was created"
    },
    "tag": {
      "type": "string",
      "description": "A custom string attached to the message for tracking"
    },
    "priority": {
      "type": "string",
      "enum": ["default", "high"],
      "default": "default",
      "description": "The priority level of the message"
    },
    "expiration": {
      "type": "string",
      "format": "date-time",
      "description": "The expiration time after which undelivered messages are discarded"
    }
  },
  "$defs": {
    "MessageDeliveryEvent": {
      "type": "object",
      "description": "A webhook event for message delivery status updates",
      "required": ["type", "time"],
      "properties": {
        "type": {
          "type": "string",
          "enum": ["message-received", "message-delivered", "message-failed", "message-sending"],
          "description": "The type of messaging event"
        },
        "time": {
          "type": "string",
          "format": "date-time",
          "description": "The timestamp of the event"
        },
        "description": {
          "type": "string",
          "description": "A human-readable description of the event"
        },
        "to": {
          "type": "string",
          "description": "The destination phone number"
        },
        "errorCode": {
          "type": "integer",
          "description": "The Bandwidth error code for failed messages"
        },
        "message": {
          "type": "object",
          "description": "The message associated with this event",
          "properties": {
            "id": {
              "type": "string",
              "description": "The message identifier"
            },
            "direction": {
              "type": "string",
              "enum": ["in", "out"],
              "description": "The message direction"
            },
            "segmentCount": {
              "type": "integer",
              "description": "Number of message segments"
            }
          }
        }
      }
    },
    "Media": {
      "type": "object",
      "description": "A media file stored in Bandwidth for MMS messaging",
      "properties": {
        "mediaName": {
          "type": "string",
          "description": "The name of the media file"
        },
        "contentLength": {
          "type": "integer",
          "maximum": 3932160,
          "description": "The size of the media file in bytes (max 3.75 MB)"
        },
        "contentType": {
          "type": "string",
          "description": "The MIME type of the media file"
        }
      }
    }
  }
}