curl --request GET \
  --url https://qubesync.com/api/v1/connections/{connection_id} \
  --header 'Authorization: Basic <encoded-value>'

{
  "data": {
    "id": "c2eca704-906e-46ef-9882-9bcfa8f1e92e",
    "name": "My Customer Inc.",
    "type": "standard",
    "username": "7beeba0b-92b6-4302-83c8-d1947ffd5da4",
    "last_connected_at": "2025-09-03T22:05:05Z",
    "company_file": "some_company_file.qbw",
    "app_id": "39c7c660-7757-4728-8f4e-c3549191be6e",
    "qbxml_version": "14.0",
    "quickbooks_product_name": "QuickBooks Pro 2021"
  }
}