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

{
  "data": {
    "id": "6450918273645091827",
    "account_id": "8273645091827364509",
    "payment_id": "4509182736450918273",
    "duplicated": false,
    "mode": "normal",
    "status": "posted",
    "made_on": "2026-01-23",
    "amount": -2000,
    "currency_code": "EUR",
    "description": "FOLGELASTSCHRIFT",
    "description_parsed": {
      "cred": "DE02ZZZ00001040743",
      "mref": "21018",
      "kref": null,
      "debt": null,
      "svwz": null,
      "abwa": null,
      "abwe": null,
      "bic": "COBADEFF",
      "oamt": null,
      "coam": null,
      "purp": null
    },
    "category": "service_fee",
    "extra": {
      "time": "00:07:13",
      "payee": "DE93501108006161618027",
      "payer": "DE89370400440532013000",
      "additional": "FOLGELASTSCHRIFT",
      "posting_date": "2026-01-23",
      "end_to_end_id": "XNVR2I7JQ6B6QAT",
      "payee_information": "Pleo Financial Services A/S",
      "payer_information": "MUSTERMANN GMBH",
      "account_balance_snapshot": -5974.36,
      "categorization_confidence": 1
    },
    "created_at": "2026-03-24T13:51:32Z",
    "updated_at": "2026-03-24T13:51:39Z"
  }
}