BYN to CUP exchange rate API
Belarussian Ruble to Cuban Peso · quoted 2026-10-31
8.1473
▼ +0.32% over 7D
1 BYN = 8.1473 CUP · 1 CUP = 0.12274 BYN · Get this rate via the API
1 BYN buys 8.1473 CUP as of 2026-10-31, so 1 CUP buys 0.12274 BYN. Over the last 7 days, BYN/CUP traded between 8.1333 and 8.1736, averaged 8.1563 and fell 0.32%. 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 7D
Daily observations · gaps mean no published rate
BYN/CUP over 7D: show the values
| Date | CUP |
|---|---|
| 2026-10-24 | 8.173578 |
| 2026-10-25 | 8.173578 |
| 2026-10-26 | 8.148791 |
| 2026-10-27 | 8.162534 |
| 2026-10-28 | 8.163058 |
| 2026-10-29 | 8.133267 |
| 2026-10-30 | 8.148461 |
| 2026-10-31 | 8.147305 |
High
8.1736
Low
8.1333
Average
8.1563
Statistics use all 8 daily observations in the selected period.
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 -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=CUP"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=CUP");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=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¤cies=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.