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SLL to GNF exchange rate API

Leone to Guinea Franc · quoted 2026-10-03

0.37932

▼ +0.33% over 1Y

1 SLL = 0.37932 GNF · 1 GNF = 2.6363 SLL · Get this rate via the API

1 SLL buys 0.37932 GNF as of 2026-10-03, so 1 GNF buys 2.6363 SLL. Over the last year, SLL/GNF traded between 0.35981 and 0.41907, averaged 0.38519 and fell 0.33%. The API holds daily SLL/GNF 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.

SLL/GNF over 1Y

SLL/GNF over 1Y: show the values
PointSLL/GNF
2025-10-030.38059
2025-10-100.38134
2025-10-170.38234
2025-10-240.38248
2025-10-310.38272
2025-11-070.38324
2025-11-140.38295
2025-11-210.38044
2025-11-280.37945
2025-12-050.37856
2025-12-130.37749
2025-12-200.38126
2025-12-270.38173
2026-01-030.38413
2026-01-100.38298
2026-01-170.38361
2026-01-240.38310
2026-01-310.35981
2026-02-070.38187
2026-02-140.38427
2026-02-210.38296
2026-02-280.38359
2026-03-070.36709
2026-03-140.38346
2026-03-210.38484
2026-03-280.41870
2026-04-040.38364
2026-04-150.41865
2026-04-220.41907
2026-04-290.41858
2026-05-060.41765
2026-05-140.38364
2026-05-210.38405
2026-05-290.38281
2026-06-050.38393
2026-06-140.38444
2026-06-210.38381
2026-06-280.38432
2026-07-050.38429
2026-07-120.38362
2026-07-190.38366
2026-07-260.36253
2026-08-020.38417
2026-08-090.38448
2026-08-160.38417
2026-08-240.38466
2026-08-310.38453
2026-09-070.38374
2026-09-140.38370
2026-09-210.38362
2026-09-280.38379

High

0.41907

Low

0.35981

Average

0.38519

For developers

Get this rate via the API

One GET request returns the SLL/GNF 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=SLL&currencies=GNF"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL&currencies=GNF");
const data = await response.json();
Python
import requests

data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL&currencies=GNF").json()

Replace YOUR_API_KEY with the key from your dashboard.

SLL/GNF API questions

How do I get the SLL/GNF exchange rate from an API?

Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL&currencies=GNF, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest SLL/GNF rate in rates.GNF.

How far back does SLL/GNF historical data go?

Daily SLL/GNF 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 SLL/GNF 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.