HubSpot · JSON Structure
Conversations Api Message Structure

Represents a message within a conversation thread.
Type: object Properties: 13 Required: 3
AnalyticsCommerceContentCRMCustomer ServiceEmail MarketingMarketingMarketing AutomationOperationsSales
Message is a JSON Structure definition published by HubSpot, describing 13 properties, of which 3 are required. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.
Properties

id type text richText direction channelId channelAccountId senders recipients status createdAt truncationStatus attachments
Meta-schema: https://json-structure.org/meta/core/v0/#
JSON Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/hubspot/refs/heads/main/json-structure/conversations-api-message-structure.json",
  "name": "Message",
  "description": "Represents a message within a conversation thread.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the message",
      "example": "msg_123456"
    },
    "type": {
      "type": "string",
      "enum": [
        "MESSAGE",
        "COMMENT",
        "WELCOME_MESSAGE"
      ],
      "description": "Type of message",
      "example": "MESSAGE"
    },
    "text": {
      "type": "string",
      "description": "Plain text content of the message",
      "example": "Hello, I need help with my order."
    },
    "richText": {
      "type": "string",
      "description": "Rich text (HTML) content of the message",
      "example": "<p>Hello, I need help with my order.</p>"
    },
    "direction": {
      "type": "string",
      "enum": [
        "INCOMING",
        "OUTGOING"
      ],
      "description": "Direction of the message (incoming or outgoing)",
      "example": "INCOMING"
    },
    "channelId": {
      "type": "string",
      "description": "ID of the communication channel",
      "example": "channel_789"
    },
    "channelAccountId": {
      "type": "string",
      "description": "ID of the channel account",
      "example": "account_123"
    },
    "senders": {
      "type": "array",
      "items": {
        "type": "object",
        "description": "Represents a participant in a conversation (visitor, agent, or bot).",
        "properties": {
          "id": {
            "type": "string",
            "description": "Unique identifier for the actor",
            "example": "actor_101"
          },
          "actorId": {
            "type": "string",
            "description": "Actor ID reference",
            "example": "actor_101"
          },
          "name": {
            "type": "string",
            "description": "Display name of the actor",
            "example": "John Customer"
          },
          "email": {
            "type": "string",
            "description": "Email address of the actor",
            "example": "john@example.com"
          },
          "type": {
            "type": "string",
            "description": "Type of actor (e.g., VISITOR, AGENT, BOT)",
            "example": "VISITOR"
          }
        },
        "required": [
          "id"
        ]
      },
      "description": "List of message senders",
      "example": [
        {
          "id": "actor_101",
          "actorId": "actor_101",
          "name": "John Customer",
          "email": "john@example.com",
          "type": "VISITOR"
        }
      ]
    },
    "recipients": {
      "type": "array",
      "items": {
        "type": "object",
        "description": "Represents a participant in a conversation (visitor, agent, or bot).",
        "properties": {
          "id": {
            "type": "string",
            "description": "Unique identifier for the actor",
            "example": "actor_101"
          },
          "actorId": {
            "type": "string",
            "description": "Actor ID reference",
            "example": "actor_101"
          },
          "name": {
            "type": "string",
            "description": "Display name of the actor",
            "example": "John Customer"
          },
          "email": {
            "type": "string",
            "description": "Email address of the actor",
            "example": "john@example.com"
          },
          "type": {
            "type": "string",
            "description": "Type of actor (e.g., VISITOR, AGENT, BOT)",
            "example": "VISITOR"
          }
        },
        "required": [
          "id"
        ]
      },
      "description": "List of message recipients",
      "example": [
        {
          "id": "actor_101",
          "actorId": "actor_101",
          "name": "John Customer",
          "email": "john@example.com",
          "type": "VISITOR"
        }
      ]
    },
    "status": {
      "type": "object",
      "description": "Delivery status information for a message",
      "properties": {
        "statusType": {
          "type": "string",
          "enum": [
            "SENT",
            "DELIVERED",
            "READ",
            "FAILED"
          ],
          "description": "Current delivery status type",
          "example": "DELIVERED"
        }
      }
    },
    "createdAt": {
      "type": "datetime",
      "description": "ISO 8601 timestamp when the message was created",
      "example": "2024-01-20T10:30:00Z"
    },
    "truncationStatus": {
      "type": "string",
      "description": "Whether the message was truncated",
      "example": "NOT_TRUNCATED"
    },
    "attachments": {
      "type": "array",
      "items": {
        "type": "object",
        "description": "Represents a file attachment on a message.",
        "properties": {
          "id": {
            "type": "string",
            "description": "Unique identifier for the attachment",
            "example": "attach_001"
          },
          "type": {
            "type": "string",
            "description": "MIME type of the attachment",
            "example": "application/pdf"
          },
          "url": {
            "type": "uri",
            "description": "URL to access the attachment",
            "example": "https://api.hubapi.com/files/v3/files/attach_001"
          },
          "filename": {
            "type": "string",
            "description": "Original filename",
            "example": "invoice.pdf"
          },
          "size": {
            "type": "int32",
            "description": "File size in bytes",
            "example": 102400
          }
        }
      },
      "description": "Message attachments",
      "example": [
        {
          "id": "attach_001",
          "type": "application/pdf",
          "url": "https://api.hubapi.com/files/v3/files/attach_001",
          "filename": "invoice.pdf",
          "size": 102400
        }
      ]
    }
  },
  "required": [
    "id",
    "type",
    "createdAt"
  ]
}