For developers
Free currency API
Live and historical exchange rates as clean JSON — no key, no sign-up, CORS enabled. Use it in a script, a site or an app. Attribution keeps it free.
✓ Free
✓ No API key
✓ CORS enabled
✓ Clean JSON
Endpoints
| Endpoint | Example | Description |
|---|---|---|
GET /api/v1/rates |
base |
All live mid-market rates for a base currency. |
GET /api/v1/convert |
from, to, amount |
Convert an amount at the live mid-market rate. |
GET /api/v1/timeseries |
from, to, days |
Daily closing rates for a pair (history currencies). |
GET /api/v1/cross |
base, symbols |
Selected rates for a base currency. |
Try it now
Code examples
cURL
curl "https://currency-converter.live/api/v1/convert?from=USD&to=EUR&amount=100"JavaScript (fetch)
const r = await fetch('https://currency-converter.live/api/v1/rates?base=USD');
const { data } = await r.json();
console.log(data.rates.EUR);PHP
$j = json_decode(file_get_contents(
'https://currency-converter.live/api/v1/convert?from=GBP&to=PLN&amount=50'
), true);
echo $j['data']['result'];Python
import requests
d = requests.get('https://currency-converter.live/api/v1/timeseries',
params={'from':'EUR','to':'USD','days':30}).json()
print(d['data']['rates'])Response format
{
"success": true,
"data": { "from": "USD", "to": "EUR", "amount": 100,
"rate": 0.857, "result": 85.7, "updated": "..." },
"error": null,
"source": "currency-converter.live"
}Fair use & terms
Free for personal and commercial use. Please cache responses (rates update about once a second) and credit currency-converter.live with a link. Data is mid-market reference only — not investment advice, and no uptime guarantee. Abuse or excessive load may be rate-limited.