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KYD to BYN exchange rate API

Cayman Islands Dollar to Belarussian Ruble · quoted 2026-10-07

3.7010

▼ +9.48% over 1Y

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 year, KYD/BYN traded between 3.2950 and 4.1230, averaged 3.6047 and fell 9.48%. 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 1Y

KYD/BYN over 1Y: show the values
PointKYD/BYN
2025-10-074.0888
2025-10-144.0960
2025-10-214.1147
2025-10-284.0956
2025-11-044.1116
2025-11-114.1114
2025-11-184.1158
2025-11-254.1230
2025-12-023.7841
2025-12-093.4754
2025-12-173.5331
2025-12-243.4849
2025-12-313.5174
2026-01-073.5444
2026-01-143.5099
2026-01-213.4605
2026-01-283.4271
2026-02-043.4477
2026-02-113.4627
2026-02-183.4336
2026-02-253.4550
2026-03-043.4993
2026-03-113.5412
2026-03-183.6411
2026-03-253.5710
2026-04-013.5735
2026-04-083.5258
2026-04-153.4219
2026-04-223.3886
2026-04-293.3860
2026-05-063.3966
2026-05-143.3609
2026-05-213.2950
2026-05-293.3037
2026-06-053.3871
2026-06-143.3685
2026-06-213.3780
2026-06-283.5168
2026-07-053.5396
2026-07-123.4864
2026-07-193.5240
2026-07-263.4894
2026-08-023.5362
2026-08-093.6034
2026-08-163.7027
2026-08-243.6150
2026-08-313.6714
2026-09-073.7027
2026-09-143.6541
2026-09-213.6309
2026-09-283.6374

High

4.1230

Low

3.2950

Average

3.6047

For developers

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
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=KYD&currencies=BYN"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=KYD&currencies=BYN");
const data = await response.json();
Python
import requests

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