CUP to BTN exchange rate API
Cuban Peso to Ngultrum · quoted 2026-10-02
3.9913
▼ +0.14% over 7D
1 CUP = 3.9913 BTN · 1 BTN = 0.25054 CUP · Get this rate via the API
1 CUP buys 3.9913 BTN as of 2026-10-02, so 1 BTN buys 0.25054 CUP. Over the last 7 days, CUP/BTN traded between 3.9895 and 3.9970, averaged 3.9931 and fell 0.14%. The API holds daily CUP/BTN 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 CUP/BTN 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=CUP¤cies=BTN"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CUP¤cies=BTN");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CUP¤cies=BTN").json()Replace YOUR_API_KEY with the key from your dashboard.
CUP/BTN API questions
How do I get the CUP/BTN exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CUP¤cies=BTN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest CUP/BTN rate in rates.BTN.
How far back does CUP/BTN historical data go?
Daily CUP/BTN 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 CUP/BTN 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.