CUP to BTN exchange rate API
Cuban Peso to Ngultrum · quoted 2026-10-23
3.9517
▼ +0.03% over 7D
1 CUP = 3.9517 BTN · 1 BTN = 0.25306 CUP · Get this rate via the API
1 CUP buys 3.9517 BTN as of 2026-10-23, so 1 BTN buys 0.25306 CUP. Over the last 7 days, CUP/BTN traded between 3.9295 and 3.9578, averaged 3.9479 and fell 0.03%. 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.
CUP/BTN over 7D
Daily observations · gaps mean no published rate
CUP/BTN over 7D: show the values
| Date | BTN |
|---|---|
| 2026-10-16 | 3.952986 |
| 2026-10-17 | 3.957824 |
| 2026-10-18 | 3.954259 |
| 2026-10-19 | 3.939038 |
| 2026-10-20 | 3.95016 |
| 2026-10-21 | 3.948048 |
| 2026-10-22 | 3.929543 |
| 2026-10-23 | 3.951679 |
High
3.9578
Low
3.9295
Average
3.9479
Statistics use all 8 daily observations in the selected period.
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.