Get Exchange Rate

const response = await fetch('https://mainnet.hedera.validationcloud.io/v1/YOUR_API_KEY/api/v1/network/exchangerate', {
    method: 'GET',
    headers: {},
});
const data = await response.json();

{
  "current_rate": {
    "cent_equivalent": 596987,
    "expiration_time": 1649689200,
    "hbar_equivalent": 30000
  },
  "next_rate": {
    "cent_equivalent": 596987,
    "expiration_time": 1649689200,
    "hbar_equivalent": 30000
  },
  "timestamp": "1586567700.453054000"
}