curl --request GET \
  --url https://api.aisa.one/apis/v1/agentmail/threads/search \
  --header 'Authorization: Bearer <token>'

{
  "count": 123,
  "threads": [
    {
      "inbox_id": "<string>",
      "thread_id": "<string>",
      "labels": [
        "<string>"
      ],
      "timestamp": "2023-11-07T05:31:56Z",
      "senders": [
        "<string>"
      ],
      "recipients": [
        "<string>"
      ],
      "last_message_id": "<string>",
      "message_count": 123,
      "size": 123,
      "updated_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "received_timestamp": "2023-11-07T05:31:56Z",
      "sent_timestamp": "2023-11-07T05:31:56Z",
      "subject": "<string>",
      "preview": "<string>",
      "attachments": [
        {
          "attachment_id": "<string>",
          "size": 123,
          "filename": "<string>",
          "content_type": "<string>",
          "content_id": "<string>"
        }
      ],
      "highlights": {
        "from": [
          "<string>"
        ],
        "recipients": [
          "<string>"
        ],
        "subject": [
          "<string>"
        ],
        "text": [
          "<string>"
        ]
      }
    }
  ],
  "limit": 123,
  "next_page_token": "<string>"
}