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BYN to PLN exchange rate API

Belarussian Ruble to Zloty · quoted 2026-10-07

1.2696

▲ +5.42% over 30D

1 BYN = 1.2696 PLN · 1 PLN = 0.78762 BYN · Get this rate via the API

1 BYN buys 1.2696 PLN as of 2026-10-07, so 1 PLN buys 0.78762 BYN. Over the last 30 days, BYN/PLN traded between 1.2044 and 1.2923, averaged 1.2539 and rose 5.42%. The API holds daily BYN/PLN 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.

BYN/PLN over 30D

BYN/PLN over 30D: show the values
PointBYN/PLN
2026-09-071.2044
2026-09-081.2083
2026-09-091.2069
2026-09-101.2196
2026-09-111.2282
2026-09-121.2273
2026-09-131.2291
2026-09-141.2370
2026-09-151.2381
2026-09-161.2417
2026-09-171.2463
2026-09-181.2556
2026-09-191.2552
2026-09-201.2581
2026-09-211.2556
2026-09-221.2545
2026-09-231.2634
2026-09-241.2680
2026-09-251.2639
2026-09-261.2715
2026-09-271.2708
2026-09-281.2703
2026-09-291.2736
2026-09-301.2818
2026-10-011.2821
2026-10-021.2918
2026-10-031.2923
2026-10-051.2910
2026-10-061.2613

High

1.2923

Low

1.2044

Average

1.2539

For developers

Get this rate via the API

One GET request returns the BYN/PLN 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=BYN&currencies=PLN"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN&currencies=PLN");
const data = await response.json();
Python
import requests

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

Replace YOUR_API_KEY with the key from your dashboard.

BYN/PLN API questions

How do I get the BYN/PLN exchange rate from an API?

Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN&currencies=PLN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest BYN/PLN rate in rates.PLN.

How far back does BYN/PLN historical data go?

Daily BYN/PLN 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 BYN/PLN 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.