PLN to SLL exchange rate API

Zloty to Leone · quoted 2026-10-03

5921.38

▼ +5.81% over 1Y

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 year, PLN/SLL traded between 5632.80 and 6847.22, averaged 6196.04 and fell 5.81%. 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 1Y

7D 30D 6M YTD 1Y 5Y

PLN/SLL over 1Y: show the values

Point	PLN/SLL
2025-10-03	6286.79
2025-10-10	6182.63
2025-10-17	6246.37
2025-10-24	6210.15
2025-10-31	6162.45
2025-11-07	6172.41
2025-11-14	6241.26
2025-11-21	6195.85
2025-11-28	6250.94
2025-12-05	6322.85
2025-12-13	6379.05
2025-12-20	6380.92
2025-12-27	6402.18
2026-01-03	6356.65
2026-01-10	6299.36
2026-01-17	6276.75
2026-01-24	6428.39
2026-01-31	6847.22
2026-02-07	6405.75
2026-02-14	6441.22
2026-02-21	6401.19
2026-02-28	6413.31
2026-03-07	6493.55
2026-03-14	6118.58
2026-03-21	6176.49
2026-03-28	5632.80
2026-04-04	6168.78
2026-04-15	5824.17
2026-04-22	5793.42
2026-04-29	5773.29
2026-05-06	5826.68
2026-05-14	6312.37
2026-05-21	6238.63
2026-05-29	6300.55
2026-06-05	6282.14
2026-06-14	6228.73
2026-06-21	6151.67
2026-06-28	6058.85
2026-07-05	6087.39
2026-07-12	6023.39
2026-07-19	6025.79
2026-07-26	6386.60
2026-08-02	6135.40
2026-08-09	6147.15
2026-08-16	6151.66
2026-08-24	6193.73
2026-08-31	6134.22
2026-09-07	6179.98
2026-09-14	6102.99
2026-09-21	6053.86
2026-09-28	5966.05

High

6847.22

Low

5632.80

Average

6196.04

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