BYN to SLL exchange rate API
Belarussian Ruble to Leone · quoted 2026-10-03
7652.05
▲ +0.74% over 7D
1 BYN = 7652.05 SLL · 1 SLL = 0.000131 BYN · Get this rate via the API
1 BYN buys 7652.05 SLL as of 2026-10-03, so 1 SLL buys 0.000131 BYN. Over the last 7 days, BYN/SLL traded between 7578.88 and 8207.71, averaged 7701.17 and rose 0.74%. The API holds daily BYN/SLL 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.
Get this rate via the API
One GET request returns the BYN/SLL 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=BYN¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
BYN/SLL API questions
How do I get the BYN/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BYN¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest BYN/SLL rate in rates.SLL.
How far back does BYN/SLL historical data go?
Daily BYN/SLL 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 BYN/SLL 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.