BYN to CUC exchange rate API
Belarussian Ruble to Peso Convertible · quoted 2026-10-02
0.33023
▲ +0.16% over 7D
1 BYN = 0.33023 CUC · 1 CUC = 3.0282 BYN · Get this rate via the API
1 BYN buys 0.33023 CUC as of 2026-10-02, so 1 CUC buys 3.0282 BYN. Over the last 7 days, BYN/CUC traded between 0.32971 and 0.33313, averaged 0.33085 and rose 0.16%. The API holds daily BYN/CUC rates from 2024-08-24 — 2 years of history — so any past day, or a whole series, is one request away.
Converting an invoice? Convert an amount on a specific date.
Get this rate via the API
One GET request returns the BYN/CUC rate as JSON. The free plan includes 1,000 requests a month, with no credit card required.
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=CUC"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=CUC");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=CUC").json()Replace YOUR_API_KEY with the key from your dashboard.
BYN/CUC API questions
How do I get the BYN/CUC exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=CUC, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest BYN/CUC rate in rates.CUC.
How far back does BYN/CUC historical data go?
Daily BYN/CUC rates are available from 2024-08-24. Request one day with the /historical endpoint and a date, or a range of days with /timeseries.
Is there a free BYN/CUC exchange rate API?
Yes. The free plan includes 1,000 requests a month, with no credit card required; paid plans raise the limit.
Put these rates in your application
One endpoint, JSON responses, 160+ currencies and history back to 1999. Start on the free plan.