GNF to SLL exchange rate API
Guinea Franc to Leone · quoted 2026-10-03
2.6363
▲ +1.07% over 5Y
1 GNF = 2.6363 SLL · 1 SLL = 0.37932 GNF · Get this rate via the API
1 GNF buys 2.6363 SLL as of 2026-10-03, so 1 SLL buys 0.37932 GNF. Over the last 5 years, GNF/SLL traded between 2.3883 and 2.6619, averaged 2.6106 and rose 1.07%. The API holds daily GNF/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.
GNF/SLL over 5Y: show the values
| Point | GNF/SLL |
|---|---|
| 2024-08-24 | 2.6084 |
| 2024-10-07 | 2.6108 |
| 2024-11-06 | 2.6376 |
| 2024-12-06 | 2.6407 |
| 2025-01-05 | 2.6365 |
| 2025-02-04 | 2.6438 |
| 2025-03-06 | 2.6422 |
| 2025-04-06 | 2.6271 |
| 2025-05-06 | 2.6250 |
| 2025-06-07 | 2.5324 |
| 2025-07-07 | 2.6203 |
| 2025-08-06 | 2.6619 |
| 2025-09-05 | 2.6257 |
| 2025-10-06 | 2.6179 |
| 2025-11-05 | 2.6079 |
| 2025-12-05 | 2.6416 |
| 2026-01-05 | 2.6065 |
| 2026-02-04 | 2.6155 |
| 2026-03-06 | 2.6150 |
| 2026-04-05 | 2.6099 |
| 2026-05-09 | 2.3883 |
| 2026-06-12 | 2.6084 |
| 2026-07-12 | 2.6067 |
| 2026-08-11 | 2.6021 |
| 2026-09-11 | 2.6068 |
High
2.6619
Low
2.3883
Average
2.6106
Get this rate via the API
One GET request returns the GNF/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=GNF¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GNF¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GNF¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
GNF/SLL API questions
How do I get the GNF/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=GNF¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest GNF/SLL rate in rates.SLL.
How far back does GNF/SLL historical data go?
Daily GNF/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 GNF/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.