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GBP to SLL exchange rate API

Pound Sterling to Leone · quoted 2026-10-12

30333.46

▲ +1.95% over 5Y

1 GBP = 30333.46 SLL · 1 SLL = 0.000033 GBP · Get this rate via the API

1 GBP buys 30333.46 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 30093.62 and rose 1.95%. 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
2026-07-0227903.047888
2026-07-0330502.80373
2026-07-0430491.813102
2026-07-0530494.802698
2026-07-0630479.804865
2026-07-0730742.822417
2026-07-0830554.027794
2026-07-0930656.148257
2026-07-1030717.603953
2026-07-1130659.332968
2026-07-1230640.335297
2026-07-1330638.137726
2026-07-1430611.392947
2026-07-1530621.894517
2026-07-1630872.155593
2026-07-1730711.125075
2026-07-1830778.811809
2026-07-1930768.224084
2026-07-2030796.870722
2026-07-2130673.688248
2026-07-2230631.839095
2026-07-2330636.326052
2026-07-2431503.276357
2026-07-2531534.826291
2026-07-2632303.252437
2026-07-2730448.692833
2026-07-2832194.742331
2026-07-2932153.076563
2026-07-3030633.301261
2026-07-3130708.603495
2026-08-0130867.425355
2026-08-0230885.511657
2026-08-0330847.067033
2026-08-0430791.447525
2026-08-0532165.180388
2026-08-0630852.799128
2026-08-0730765.809914
2026-08-0831122.720802
2026-08-0930842.662721
2026-08-1030850.806664
2026-08-1130874.133687
2026-08-1230891.80568
2026-08-1331850.601418
2026-08-1431005.424611
2026-08-1531009.665842
2026-08-1631008.919456
2026-08-1731063.839014
2026-08-1831010.695243
2026-08-2031220.781432
2026-08-2131272.064254

High

33392.99

Low

26537.07

Average

30093.62

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.