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GBP to SLL exchange rate API

Pound Sterling to Leone · quoted 2026-10-12

30323.28

▲ +1.92% over 5Y

1 GBP = 30323.28 SLL · 1 SLL = 0.000033 GBP · Get this rate via the API

1 GBP buys 30323.28 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 30093.61 and rose 1.92%. 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
2026-05-0928589.803367
2026-05-1028519.538519
2026-05-1128524.926622
2026-05-1230912.940557
2026-05-1430883.373039
2026-05-1528010.73128
2026-05-1631970.88588
2026-05-1730537.200298
2026-05-1828068.589777
2026-05-1930708.643663
2026-05-2030650.674515
2026-05-2130663.747728
2026-05-2330718.123428
2026-05-2430748.756434
2026-05-2530870.880765
2026-05-2630790.430903
2026-05-2730691.825399
2026-05-2830622.361329
2026-05-2930713.410964
2026-05-3030772.365948
2026-05-3130760.668184
2026-06-0130787.004047
2026-06-0233200.505671
2026-06-0333073.750628
2026-06-0430725.102678
2026-06-0530772.200495
2026-06-0630435.811911
2026-06-0930574.493285
2026-06-1030557.93443
2026-06-1130502.862818
2026-06-1230625.358306
2026-06-1330589.770278
2026-06-1430642.53087
2026-06-1530627.087064
2026-06-1633174.492022
2026-06-1730591.928494
2026-06-1830200.935312
2026-06-1932739.874409
2026-06-2030227.986099
2026-06-2130188.990134
2026-06-2230267.063833
2026-06-2330166.945431
2026-06-2430052.839814
2026-06-2530071.17877
2026-06-2630203.253638
2026-06-2730111.041064
2026-06-2830114.511631
2026-06-2930190.301242
2026-06-3030171.489642
2026-07-0130214.189833

High

33392.99

Low

26537.07

Average

30093.61

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.