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BYN to CUP exchange rate API

Belarussian Ruble to Cuban Peso · quoted 2026-10-07

7.7976

▼ +9.38% over 30D

1 BYN = 7.7976 CUP · 1 CUP = 0.12824 BYN · Get this rate via the API

1 BYN buys 7.7976 CUP as of 2026-10-07, so 1 CUP buys 0.12824 BYN. Over the last 30 days, BYN/CUP traded between 7.7976 and 8.7824, averaged 8.4550 and fell 9.38%. The API holds daily BYN/CUP 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.

BYN/CUP over 30D

BYN/CUP over 30D: show the values
PointBYN/CUP
2026-09-078.6049
2026-09-088.6124
2026-09-098.6362
2026-09-108.6857
2026-09-118.7248
2026-09-128.7291
2026-09-138.7379
2026-09-148.7227
2026-09-158.7244
2026-09-168.7320
2026-09-178.6985
2026-09-188.7388
2026-09-198.7575
2026-09-208.7716
2026-09-218.7824
2026-09-228.7653
2026-09-238.7346
2026-09-248.7202
2026-09-257.9121
2026-09-267.9431
2026-09-277.9434
2026-09-287.9411
2026-09-308.0021
2026-10-027.9908
2026-10-037.9679
2026-10-057.9090

High

8.7824

Low

7.7976

Average

8.4550

For developers

Get this rate via the API

One GET request returns the BYN/CUP 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=BYN&currencies=CUP"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN&currencies=CUP");
const data = await response.json();
Python
import requests

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

Replace YOUR_API_KEY with the key from your dashboard.

BYN/CUP API questions

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

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

How far back does BYN/CUP historical data go?

Daily BYN/CUP 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/CUP 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.