PLN to SLL exchange rate API

Zloty to Leone · quoted 2026-10-03

5921.38

▼ +7.15% over YTD

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 year to date, PLN/SLL traded between 5507.28 and 6779.27, averaged 6162.06 and fell 7.15%. 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 YTD

7D 30D 6M YTD 1Y 5Y

PLN/SLL over YTD: show the values

Point	PLN/SLL
2025-12-31	6377.46
2026-01-07	6334.52
2026-01-14	6346.16
2026-01-21	6391.68
2026-01-28	6501.56
2026-02-04	6411.87
2026-02-11	6453.31
2026-02-18	6445.70
2026-02-25	6390.96
2026-03-04	6267.86
2026-03-11	6233.95
2026-03-18	6149.37
2026-03-25	6191.08
2026-04-01	6209.06
2026-04-08	6319.67
2026-04-19	5826.94
2026-04-26	5788.39
2026-05-03	5794.92
2026-05-10	5824.24
2026-05-18	5754.85
2026-05-26	6285.05
2026-06-02	6779.27
2026-06-11	6193.40
2026-06-18	6145.01
2026-06-25	6044.60
2026-07-02	5571.83
2026-07-09	6073.81
2026-07-16	6053.39
2026-07-23	6040.74
2026-07-30	6095.30
2026-08-06	6150.82
2026-08-13	6325.28
2026-08-21	6219.13
2026-08-28	6151.07
2026-09-04	6619.58
2026-09-11	6148.84
2026-09-18	5507.28
2026-09-25	5980.85

High

6779.27

Low

5507.28

Average

6162.06

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