Data DEBUG
Request:
https://api.data.payoff.ch/v2/underlyings?counters=true&keyword=American+Express
Response:
{
    "meta": {
        "totalRecords": 3,
        "page": 1,
        "numRecords": 3,
        "readAt": {
            "date": "2026-06-07 01:37:55.951355",
            "timezone_type": 3,
            "timezone": "Europe\/Zurich"
        }
    },
    "counters": {
        "exchanges": [
            {
                "ref": "XBRN",
                "name": "BX Swiss | XBRN",
                "num": "1"
            },
            {
                "ref": "XQMH",
                "name": "SIX Structured Products | XQMH",
                "num": "3"
            },
            {
                "ref": "DOTS",
                "name": "Swiss DOTS | DOTS",
                "num": "1"
            }
        ]
    },
    "list": [
        {
            "id": 10068060,
            "isin": "US0258161092",
            "symbol": "AXP",
            "name": "American Express",
            "assetClass": "Aktien",
            "categories": {
                "11": "0",
                "12": "32",
                "13": "5",
                "14": "0",
                "20": "16"
            }
        },
        {
            "id": 37361122,
            "isin": "US025816DN68",
            "symbol": "",
            "name": "American Express Notes 2023-30.10.31 Global",
            "assetClass": "Anleihen",
            "categories": {
                "11": "0",
                "12": "0",
                "13": "1",
                "14": "0",
                "20": "0"
            }
        },
        {
            "id": 28064315,
            "isin": "US025816CW76",
            "symbol": "",
            "name": "American Express Co. 4,05% 22\/29",
            "assetClass": "Anleihen",
            "categories": {
                "11": "0",
                "12": "0",
                "13": "0",
                "14": "1",
                "20": "0"
            }
        }
    ]
}

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