curl --request GET \
  --url https://api.paytsoftware.com/v1/messages \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "sender_type": "<string>",
      "subject": "<string>",
      "read_by_user": {
        "id": "<string>",
        "name": "<string>",
        "email_address": "<string>"
      },
      "administration_id": "<string>",
      "credit_case_id": "<string>",
      "debtor_id": "<string>",
      "id": "<string>",
      "invoice_id": "<string>",
      "sent_at": "2023-11-07T05:31:56Z",
      "received_at": "2023-11-07T05:31:56Z",
      "read_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "content": "<string>"
    }
  ],
  "pagination": {
    "cursor": "<string>"
  }
}