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GBP to SLL exchange rate API

Pound Sterling to Leone · quoted 2026-10-12

30376.32

▲ +2.10% over 5Y

1 GBP = 30376.32 SLL · 1 SLL = 0.000033 GBP · Get this rate via the API

1 GBP buys 30376.32 SLL as of 2026-10-12, so 1 SLL buys 0.000033 GBP. Over the last 5 years, GBP/SLL traded between 26537.07 and 33392.99, averaged 30093.68 and rose 2.10%. 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 5Y: show the values
Rates per 1 GBP. Missing rates are shown as a dash.
DateSLL
2025-03-2729485.284992
2025-03-2829560.730693
2025-03-2929484.008529
2025-03-3029475.247675
2025-03-3127148.224751
2025-04-0129376.946349
2025-04-0229441.90161
2025-04-0330029.603669
2025-04-0429633.443966
2025-04-0529388.28259
2025-04-0629358.031409
2025-04-0729144.448918
2025-04-0829118.452164
2025-04-0929101.70636
2025-04-1029430.656009
2025-04-1129777.585365
2025-04-1229733.330718
2025-04-1329721.211434
2025-04-1429920.4787
2025-04-1530100.183324
2025-04-1630169.604
2025-04-1730060.638039
2025-04-1830211.426609
2025-04-1930269.564394
2025-04-2030244.625541
2025-04-2130442.582739
2025-04-2230370.782752
2025-04-2330266.885462
2025-04-2430269.49077
2025-04-2530251.897338
2025-04-2630268.618771
2025-04-2730258.693343
2025-04-2830336.166028
2025-04-2930433.40875
2025-04-3030441.026445
2025-05-0130320.445745
2025-05-0230315.510491
2025-05-0330125.231219
2025-05-0430137.184614
2025-05-0530245.847302
2025-05-0630435.006492
2025-05-0830308.672588
2025-05-0930210.545786
2025-05-1030319.920782
2025-05-1130303.22789
2025-05-1230027.936341
2025-05-1330126.372882
2025-05-1430377.246018
2025-05-1530246.305201
2025-05-1730252.008278

High

33392.99

Low

26537.07

Average

30093.68

Statistics use all 749 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.