SendMessageRequest

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/att/refs/heads/main/json-schema/in-app-messaging-api-send-message-request-schema.json",
  "title": "SendMessageRequest",
  "description": "SendMessageRequest schema from AT&T API",
  "type": "object",
  "required": [
    "messageRequest"
  ],
  "properties": {
    "messageRequest": {
      "type": "object",
      "required": [
        "addresses"
      ],
      "properties": {
        "addresses": {
          "type": "array",
          "description": "List of recipient phone numbers or email addresses",
          "items": {
            "type": "string"
          },
          "example": [
            "tel:+12125551234"
          ]
        },
        "text": {
          "type": "string",
          "description": "SMS text content (up to 160 chars for SMS, longer for MMS)",
          "example": "Hello from the AT&T In-App Messaging API!"
        },
        "subject": {
          "type": "string",
          "description": "Subject line (MMS only)",
          "example": "Greeting"
        },
        "group": {
          "type": "boolean",
          "description": "If true, send as a group message",
          "example": false
        }
      }
    }
  }
}