https://api.data.payoff.ch/v2/underlyings/en?counters=true&keyword=Notes+Capital+One+Fin+30.10.31+Fixed%2FFloating

{
    "meta": {
        "totalRecords": 1,
        "page": 1,
        "numRecords": 1,
        "readAt": {
            "date": "2026-05-14 14:21:05.623922",
            "timezone_type": 3,
            "timezone": "Europe\/Zurich"
        }
    },
    "counters": {
        "exchanges": [
            {
                "ref": "XQMH",
                "name": "SIX Structured Products | XQMH",
                "num": "1"
            }
        ]
    },
    "list": [
        {
            "id": 37361124,
            "isin": "US14040HDC60",
            "symbol": "",
            "name": "Notes Capital One Fin 30.10.31 Fixed\/Floating",
            "assetClass": "Anleihen",
            "categories": {
                "11": "0",
                "12": "0",
                "13": "1",
                "14": "0",
                "20": "0"
            }
        }
    ]
}