curl --request GET \
  --url https://api.business-os.de/v2/banking/connections \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "id": "9182736450918273645",
      "provider_name": "Musterbank",
      "provider_code": "musterbank_oauth_client_de",
      "country_code": "DE",
      "status": "active",
      "owner_user_id": "d90f20ae-f6c1-46da-a080-3d4c86329bf6",
      "automatic_refresh": true,
      "next_refresh_possible_at": "2026-03-24T14:34:54+00:00",
      "created_at": "2026-03-24T13:50:58+00:00",
      "updated_at": "2026-03-24T14:19:54+00:00",
      "display_name": null,
      "logo_url": "https://d1uuj3mi6rzwpm.cloudfront.net/logos/providers/de/spk_aschaffenburg_de.svg",
      "consent_expires_at": "2026-09-20T14:19:16+00:00",
      "error_class": null,
      "error_message": null
    }
  ]
}