GBP to SLL exchange rate API
Pound Sterling to Leone · quoted 2026-10-11
30383.03
▼ +0.31% over 7D
1 GBP = 30383.03 SLL · 1 SLL = 0.000033 GBP · Get this rate via the API
1 GBP buys 30383.03 SLL as of 2026-10-11, so 1 SLL buys 0.000033 GBP. Over the last 7 days, GBP/SLL traded between 30317.72 and 32583.47, averaged 30738.72 and fell 0.31%. 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 7D
Daily observations · gaps mean no published rate
GBP/SLL over 7D: show the values
| Date | SLL |
|---|---|
| 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 | 30383.028212 |
High
32583.47
Low
30317.72
Average
30738.72
Statistics use all 7 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.