Rates, conversions and crypto on one endpoint.

curl "https://api.currencyrates-api.com/v1/convert?from=USD&to=BRL&amount=100" \
  -H "Authorization: Bearer rate_live_xxxxxxxxxxxxxxxxxx"

const params = new URLSearchParams({ from: "USD", to: "BRL", amount: "100" });

const response = await fetch(`https://api.currencyrates-api.com/v1/convert?${params}`, {
  headers: { Authorization: "Bearer rate_live_xxxxxxxxxxxxxxxxxx" },
});

if (!response.ok) {
  const { error } = await response.json();
  throw new Error(error.message);
}

const { rate, result, updated_at } = await response.json();
console.log(result, "at", rate, "captured", updated_at);

const response = await fetch("https://api.currencyrates-api.com/v1/rates?base=USD", {
  headers: { Authorization: "Bearer rate_live_xxxxxxxxxxxxxxxxxx" },
});

const { rates, updated_at } = await response.json();

// Persist the rate you charged, not just the result.
await db.quotes.insert({ pair: "USD/BRL", rate: rates.BRL, capturedAt: updated_at });

import requests

response = requests.get(
    "https://api.currencyrates-api.com/v1/crypto/convert",
    params={"from": "BTC", "to": "USD", "amount": 1},
    headers={"Authorization": "Bearer rate_live_xxxxxxxxxxxxxxxxxx"},
    timeout=10,
)
response.raise_for_status()

quote = response.json()
print(quote["rate"], quote["result"])

<?php

$context = stream_context_create([
    "http" => [
        "header" => "Authorization: Bearer rate_live_xxxxxxxxxxxxxxxxxx",
    ],
]);

$body = file_get_contents("https://api.currencyrates-api.com/v1/rates?base=EUR", false, $context);
$payload = json_decode($body, true);

echo $payload["rates"]["BRL"];