PLN to BYN exchange rate API
Zloty to Belarussian Ruble · quoted 2026-10-07
0.78931
▲ +1.18% over 7D
1 PLN = 0.78931 BYN · 1 BYN = 1.2669 PLN · Get this rate via the API
1 PLN buys 0.78931 BYN as of 2026-10-07, so 1 BYN buys 1.2669 PLN. Over the last 7 days, PLN/BYN traded between 0.77383 and 0.79285, averaged 0.78069 and rose 1.18%. The API holds daily PLN/BYN rates from 2016-07-01 — 10 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 PLN/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=PLN¤cies=BYN"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=PLN¤cies=BYN");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=PLN¤cies=BYN").json()Replace YOUR_API_KEY with the key from your dashboard.
PLN/BYN API questions
How do I get the PLN/BYN exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=PLN¤cies=BYN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest PLN/BYN rate in rates.BYN.
How far back does PLN/BYN historical data go?
Daily PLN/BYN rates are available from 2016-07-01. Request one day with the /historical endpoint and a date, or a range of days with /timeseries.
Is there a free PLN/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.