Request
https://cdn.moneyconvert.net/api/latest.json
Response
{
    "base": "USD",
    "rates": {
        "AED": 3.67297,
        "AFN": 89.647021,
        "ALL": 104.709024,
        "AMD": 476.665393,
        "ANG": 1.789593,
        "AOA": 597.455,
        "ARS": 99.2347,
        "AUD": 1.338279,
        [supporting 183+ currencies ...]
    },
}

Source: https://moneyconvert.net/pages/api