PLN to SLL exchange rate API

Zloty to Leone · quoted 2026-10-03

5921.38

▼ +4.31% over 6M

1 PLN = 5921.38 SLL · 1 SLL = 0.000169 PLN · Get this rate via the API

1 PLN buys 5921.38 SLL as of 2026-10-03, so 1 SLL buys 0.000169 PLN. Over the last 6 months, PLN/SLL traded between 5788.94 and 6761.01, averaged 6135.41 and fell 4.31%. The API holds daily PLN/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.

PLN/SLL over 6M

7D 30D 6M YTD 1Y 5Y

PLN/SLL over 6M: show the values

Point	PLN/SLL
2026-04-06	6188.27
2026-04-17	5844.29
2026-04-24	5791.92
2026-05-01	5788.94
2026-05-08	5827.84
2026-05-16	6568.65
2026-05-24	6268.38
2026-05-31	6299.50
2026-06-09	6229.91
2026-06-16	6761.01
2026-06-23	6072.13
2026-06-30	6053.12
2026-07-07	6116.69
2026-07-14	6012.84
2026-07-21	6035.22
2026-07-28	6366.02
2026-08-04	6123.46
2026-08-11	6142.70
2026-08-18	6145.05
2026-08-26	6211.51
2026-09-02	6132.83
2026-09-09	6191.45
2026-09-16	6537.99
2026-09-23	5979.95
2026-10-02	5909.64

High

6761.01

Low

5788.94

Average

6135.41

For developers

Get this rate via the API

One GET request returns the PLN/SLL rate as JSON. The free plan includes 1,000 requests a month, with no credit card required.

Get a free API key Read the API docs

cURL

curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=PLN&currencies=SLL"

JavaScript

const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=PLN&currencies=SLL");
const data = await response.json();

Python

import requests

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

Replace YOUR_API_KEY with the key from your dashboard.

PLN/SLL API questions

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

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

How far back does PLN/SLL historical data go?

Daily PLN/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 PLN/SLL exchange rate API?

Yes. The free plan includes 1,000 requests a month, with no credit card required; paid plans raise the limit.

SLL/PLN · inverse 0.000169 PLN/USD 0.25660 PLN/EUR 0.22808 PLN/GBP 0.19381 PLN/JPY 40.5062 PLN/CHF 0.21267 PLN/AUD 0.36890

Put these rates in your application

One endpoint, JSON responses, 160+ currencies and history back to 1999. Start on the free plan.

Get a free API key Read the docs