KYD to BYN exchange rate API
Cayman Islands Dollar to Belarussian Ruble · quoted 2026-10-07
3.7010
▼ +0.05% over 30D
1 KYD = 3.7010 BYN · 1 BYN = 0.27019 KYD · Get this rate via the API
1 KYD buys 3.7010 BYN as of 2026-10-07, so 1 BYN buys 0.27019 KYD. Over the last 30 days, KYD/BYN traded between 3.6144 and 3.7027, averaged 3.6575 and fell 0.05%. The API holds daily KYD/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.
KYD/BYN over 30D: show the values
| Point | KYD/BYN |
|---|---|
| 2026-09-07 | 3.7027 |
| 2026-09-08 | 3.7025 |
| 2026-09-09 | 3.6895 |
| 2026-09-10 | 3.6793 |
| 2026-09-11 | 3.6527 |
| 2026-09-12 | 3.6501 |
| 2026-09-13 | 3.6940 |
| 2026-09-14 | 3.6541 |
| 2026-09-15 | 3.6548 |
| 2026-09-16 | 3.6489 |
| 2026-09-17 | 3.6684 |
| 2026-09-18 | 3.6392 |
| 2026-09-19 | 3.6350 |
| 2026-09-20 | 3.6795 |
| 2026-09-21 | 3.6309 |
| 2026-09-22 | 3.6467 |
| 2026-09-23 | 3.6487 |
| 2026-09-24 | 3.6534 |
| 2026-09-25 | 3.6478 |
| 2026-09-26 | 3.6286 |
| 2026-09-27 | 3.6850 |
| 2026-09-28 | 3.6374 |
| 2026-09-30 | 3.6144 |
| 2026-10-02 | 3.6372 |
| 2026-10-03 | 3.6207 |
| 2026-10-05 | 3.6489 |
High
3.7027
Low
3.6144
Average
3.6575
Get this rate via the API
One GET request returns the KYD/BYN 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=KYD¤cies=BYN"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=KYD¤cies=BYN");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=KYD¤cies=BYN").json()Replace YOUR_API_KEY with the key from your dashboard.
KYD/BYN API questions
How do I get the KYD/BYN exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=KYD¤cies=BYN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest KYD/BYN rate in rates.BYN.
How far back does KYD/BYN historical data go?
Daily KYD/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 KYD/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.