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USD to CRV exchange rate API
Get the live United States Dollar to Curve DAO Token (USD/CRV) exchange rate and convert USD to CRV with one GET request to the Xchanger REST API. Rates refresh every 10 minutes; free plan, no credit card required.
Xchanger quotes every asset against USD and derives the United States Dollar to Curve DAO Token rate from the two USD rates, refreshed in 10-minute windows. The examples below show the exact requests and the shape of each response; values are illustrative — call the API for a live quote.
Get the USD/CRV exchange rate
Uses GET /api/crypto/exchange-rate.
Example request
curl "https://backend-ejsq.onrender.com/api/crypto/exchange-rate?from=USD&to=CRV" \
-H "x-api-key: YOUR_API_KEY"const res = await fetch(
"https://backend-ejsq.onrender.com/api/crypto/exchange-rate?from=USD&to=CRV",
{ headers: { "x-api-key": process.env.XCHANGER_API_KEY } },
);
const body = await res.json();
console.log(body);import os
import requests
res = requests.get(
"https://backend-ejsq.onrender.com/api/crypto/exchange-rate",
params={"from": "USD", "to": "CRV"},
headers={"x-api-key": os.environ["XCHANGER_API_KEY"]},
)
print(res.json())Example response (illustrative values)
{
"data": {
"from": "USD",
"to": "CRV",
"rate": 1.2345,
"updated": "2026-06-09T12:00:00.000Z"
}
}Convert 100 USD to CRV
Uses GET /api/crypto/convert. Pass precision to round the result; omit it for full precision.
Example request
curl "https://backend-ejsq.onrender.com/api/crypto/convert?from=USD&to=CRV&amount=100&precision=2" \
-H "x-api-key: YOUR_API_KEY"const res = await fetch(
"https://backend-ejsq.onrender.com/api/crypto/convert?from=USD&to=CRV&amount=100&precision=2",
{ headers: { "x-api-key": process.env.XCHANGER_API_KEY } },
);
const body = await res.json();
console.log(body);import os
import requests
res = requests.get(
"https://backend-ejsq.onrender.com/api/crypto/convert",
params={"from": "USD", "to": "CRV", "amount": 100, "precision": 2},
headers={"x-api-key": os.environ["XCHANGER_API_KEY"]},
)
print(res.json())Example response (illustrative values)
{
"data": {
"from": "USD",
"to": "CRV",
"amount": 100,
"rate": 1.2345,
"result": 123.45,
"updated": "2026-06-09T12:00:00.000Z"
}
}Related pairs
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