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GBP to SLL exchange rate API

Pound Sterling to Leone · quoted 2026-10-12

30408.58

▲ +3.32% over 2Y

1 GBP = 30408.58 SLL · 1 SLL = 0.000033 GBP · Get this rate via the API

1 GBP buys 30408.58 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 30109.48 and rose 3.32%. 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
2024-12-0128977.455671
2024-12-0228834.566133
2024-12-0328770.045649
2024-12-0428815.676856
2024-12-0528959.261605
2024-12-0629052.936461
2024-12-0729029.890561
2024-12-0829030.788318
2024-12-0929033.559691
2024-12-1029004.297418
2024-12-1128987.961153
2024-12-1229003.734102
2024-12-1328807.178263
2024-12-1428781.967333
2024-12-1528775.03087
2024-12-1628793.005517
2024-12-1728894.341933
2024-12-1828941.089416
2024-12-1928685.019434
2024-12-2028505.153014
2024-12-2128616.278305
2024-12-2228611.418302
2024-12-2328488.134639
2024-12-2428558.889422
2024-12-2528541.619312
2024-12-2628509.490008
2024-12-2728568.809007
2024-12-2828625.129619
2024-12-2928606.708882
2024-12-3028643.382798
2024-12-3128499.939415
2025-01-0128472.321928
2025-01-0228248.771877
2025-01-0328231.132018
2025-01-0428282.916571
2025-01-0528283.157566
2025-01-0628542.722159
2025-01-0728515.213953
2025-01-0828247.045511
2025-01-0928025.002829
2025-01-1028194.870408
2025-01-1127725.759484
2025-01-1227716.495877
2025-01-1327679.866357
2025-01-1427528.600613
2025-01-1527765.885523
2025-01-1627757.460452
2025-01-1727758.91238
2025-01-1827635.447012
2025-01-1927643.892536

High

33392.99

Low

26537.07

Average

30109.48

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.