SLL to PLN exchange rate API
Leone to Zloty · quoted 2026-10-03
0.000169
▲ +1.20% over 7D
1 SLL = 0.000169 PLN · 1 PLN = 5917.16 SLL · Get this rate via the API
1 SLL buys 0.000169 PLN as of 2026-10-03, so 1 PLN buys 5917.16 SLL. Over the last 7 days, SLL/PLN traded between 0.000156 and 0.000169, averaged 0.000166 and rose 1.20%. The API holds daily SLL/PLN 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 SLL/PLN 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=SLL¤cies=PLN"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=PLN");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=PLN").json()Replace YOUR_API_KEY with the key from your dashboard.
SLL/PLN API questions
How do I get the SLL/PLN exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=PLN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest SLL/PLN rate in rates.PLN.
How far back does SLL/PLN historical data go?
Daily SLL/PLN 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 SLL/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.