GBP to SLL exchange rate API
Pound Sterling to Leone · quoted 2026-10-12
30377.92
▼ +1.17% over YTD
1 GBP = 30377.92 SLL · 1 SLL = 0.000033 GBP · Get this rate via the API
1 GBP buys 30377.92 SLL as of 2026-10-12, so 1 SLL buys 0.000033 GBP. Over the year to date, GBP/SLL traded between 27820.26 and 33392.99, averaged 30583.58 and fell 1.17%. 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.
GBP/SLL over YTD
Daily observations · gaps mean no published rate
GBP/SLL over YTD: show the values
| Date | SLL |
|---|---|
| 2026-09-17 | 30685.729152 |
| 2026-09-18 | 27982.10867 |
| 2026-09-19 | 30718.37248 |
| 2026-09-20 | 30712.631886 |
| 2026-09-21 | 30720.972342 |
| 2026-09-22 | 32922.542805 |
| 2026-09-23 | 30449.427798 |
| 2026-09-24 | 30286.162876 |
| 2026-09-25 | 30387.67654 |
| 2026-09-26 | 30373.727571 |
| 2026-09-27 | 30355.484189 |
| 2026-09-28 | 30412.714773 |
| 2026-09-30 | 32733.46344 |
| 2026-10-02 | 30422.85967 |
| 2026-10-03 | 30524.734297 |
| 2026-10-05 | 30476.562769 |
| 2026-10-06 | 30608.604098 |
| 2026-10-07 | 32583.474319 |
| 2026-10-08 | 30415.504242 |
| 2026-10-09 | 30317.721373 |
| 2026-10-10 | 30386.152861 |
| 2026-10-11 | 30376.333423 |
| 2026-10-12 | 30377.923228 |
High
33392.99
Low
27820.26
Average
30583.58
Statistics use all 273 daily observations in the selected period.
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 -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GBP¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GBP¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GBP¤cies=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¤cies=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.