Você pode consultar a cotação de diversas moedas internacionais em relação ao Real (BRL).
GEThttps://api.hgbrasil.com/finance?fields=currencies&key=suachave
No objeto currencies, a API retorna:
{
"by": "default",
"valid_key": true,
"results": {
"currencies": {
"source": "BRL",
"USD": {
"name": "Dollar",
"buy": 5.2925,
"sell": 5.2933,
"variation": 0.015
},
"EUR": {
"name": "Euro",
"buy": 6.135,
"sell": 6.135,
"variation": 0.028
},
"GBP": {
"name": "Pound Sterling",
"buy": 6.9488,
"sell": null,
"variation": -0.013
},
"ARS": {
"name": "Argentine Peso",
"buy": 0.0035,
"sell": null,
"variation": 0
},
"CAD": {
"name": "Canadian Dollar",
"buy": 3.7781,
"sell": null,
"variation": -0.034
},
"AUD": {
"name": "Australian Dollar",
"buy": 3.4596,
"sell": null,
"variation": -0.02
},
"JPY": {
"name": "Japanese Yen",
"buy": 0.0341,
"sell": null,
"variation": 0
},
"CNY": {
"name": "Renminbi",
"buy": 0.7441,
"sell": null,
"variation": 0
},
"BTC": {
"name": "Bitcoin",
"buy": 577508.14,
"sell": 577508.14,
"variation": 1.207
}
}
},
"execution_time": 0,
"from_cache": true
}