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CUC to BYN exchange rate API

Peso Convertible to Belarussian Ruble · quoted 2026-10-23

2.9556

▼ +2.01% over 7D

1 CUC = 2.9556 BYN · 1 BYN = 0.33834 CUC · Get this rate via the API

1 CUC buys 2.9556 BYN as of 2026-10-23, so 1 BYN buys 0.33834 CUC. Over the last 7 days, CUC/BYN traded between 2.9556 and 3.0163, averaged 2.9900 and fell 2.01%. The API holds daily CUC/BYN 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.

Daily observations · gaps mean no published rate

Download CSV
CUC/BYN over 7D: show the values
Rates per 1 CUC. Missing rates are shown as a dash.
DateBYN
2026-10-163.016253
2026-10-173.011417
2026-10-183.015877
2026-10-193.003417
2026-10-202.980876
2026-10-212.975841
2026-10-222.961064
2026-10-232.955593

High

3.0163

Low

2.9556

Average

2.9900

Statistics use all 8 daily observations in the selected period.

For developers

Get this rate via the API

One GET request returns the CUC/BYN rate as JSON. The free plan includes 1,000 requests a month, with no credit card required.

cURL
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CUC&currencies=BYN"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CUC&currencies=BYN");
const data = await response.json();
Python
import requests

data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CUC&currencies=BYN").json()

Replace YOUR_API_KEY with the key from your dashboard.

CUC/BYN API questions

How do I get the CUC/BYN exchange rate from an API?

Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CUC&currencies=BYN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest CUC/BYN rate in rates.BYN.

How far back does CUC/BYN historical data go?

Daily CUC/BYN 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 CUC/BYN 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.