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USD to SLL exchange rate API

US Dollar to Leone · quoted 2026-09-25

22910.03

▲ +0.13% over 6M

1 USD = 22910.03 SLL · 1 SLL = 0.000044 USD · Get this rate via the API

1 USD buys 22910.03 SLL as of 2026-09-25, so 1 SLL buys 0.000044 USD. Over the last 6 months, USD/SLL traded between 20969.49 and 24636.60, averaged 22576.21 and rose 0.13%. The API holds daily USD/SLL rates from 2024-08-24 — 2 years of history — so any past day, or a whole series, is one request away.

USD/SLL over 6M

USD/SLL over 6M: show the values
PointUSD/SLL
2026-03-2922880.10
2026-04-0522910.02
2026-04-1620969.50
2026-04-2320969.50
2026-04-3020969.49
2026-05-0720969.49
2026-05-1520969.51
2026-05-2322870.09
2026-05-3022866.87
2026-06-0622814.41
2026-06-1522820.03
2026-06-2222845.07
2026-06-2922820.06
2026-07-0622839.95
2026-07-1322884.73
2026-07-2022880.13
2026-07-2722864.99
2026-08-0322900.09
2026-08-1022845.05
2026-08-1722910.02
2026-08-2522864.95
2026-09-0122919.97
2026-09-0822920.01
2026-09-1522930.70
2026-09-2224636.60

High

24636.60

Low

20969.49

Average

22576.21

For developers

Get this rate via the API

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

cURL
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=USD&currencies=SLL"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=USD&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=USD&currencies=SLL").json()

Replace YOUR_API_KEY with the key from your dashboard.

USD/SLL API questions

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

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

How far back does USD/SLL historical data go?

Daily USD/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 USD/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.