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GBP to SLL exchange rate API

Pound Sterling to Leone · quoted 2026-10-12

30316.71

▲ +3.00% over 2Y

1 GBP = 30316.71 SLL · 1 SLL = 0.000033 GBP · Get this rate via the API

1 GBP buys 30316.71 SLL as of 2026-10-12, so 1 SLL buys 0.000033 GBP. Over the last 2 years, GBP/SLL traded between 26537.07 and 33392.99, averaged 30109.35 and rose 3.00%. The API holds daily GBP/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.

Chart sampled every 7 observations · table and exports keep every daily rate

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GBP/SLL over 2Y: show the values
Rates per 1 GBP. Missing rates are shown as a dash.
DateSLL
2026-03-0130812.914041
2026-03-0230686.948641
2026-03-0330536.136598
2026-03-0430664.62704
2026-03-0530564.697045
2026-03-0630591.803254
2026-03-0732034.495374
2026-03-0832676.875442
2026-03-0930626.92334
2026-03-1030849.685028
2026-03-1130694.444746
2026-03-1230646.774487
2026-03-1330380.472516
2026-03-1430303.580902
2026-03-1530312.232301
2026-03-1630418.861395
2026-03-1730465.679397
2026-03-1830402.686983
2026-03-1930349.425731
2026-03-2030505.329071
2026-03-2130451.991651
2026-03-2230408.455622
2026-03-2330620.396426
2026-03-2430568.429494
2026-03-2530554.170076
2026-03-2630503.268915
2026-03-2730386.432271
2026-03-2827820.260905
2026-03-2930349.839579
2026-03-3030270.667962
2026-03-3130310.044731
2026-04-0130501.122513
2026-04-0230353.616033
2026-04-0330246.113836
2026-04-0430228.128638
2026-04-0530234.622927
2026-04-0630304.954813
2026-04-0730342.747645
2026-04-0830937.607696
2026-04-1328143.042967
2026-04-1428452.971954
2026-04-1528414.407877
2026-04-1628400.290835
2026-04-1728379.392907
2026-04-1828359.16182
2026-04-1928325.700427
2026-04-2028330.343787
2026-04-2128350.456641
2026-04-2228311.474533
2026-04-2328324.302308

High

33392.99

Low

26537.07

Average

30109.35

Statistics use all 714 daily observations in the selected period.

For developers

Get this rate via the API

One GET request returns the GBP/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=GBP&currencies=SLL"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GBP&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=GBP&currencies=SLL").json()

Replace YOUR_API_KEY with the key from your dashboard.

GBP/SLL API questions

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

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

How far back does GBP/SLL historical data go?

Daily GBP/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 GBP/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.