NGN to SLL exchange rate API
Naira to Leone · quoted 2026-10-03
17.3292
▲ +22.05% over 5Y
1 NGN = 17.3292 SLL · 1 SLL = 0.05771 NGN · Get this rate via the API
1 NGN buys 17.3292 SLL as of 2026-10-03, so 1 SLL buys 0.05771 NGN. Over the last 5 years, NGN/SLL traded between 13.6457 and 17.3292, averaged 15.4654 and rose 22.05%. The API holds daily NGN/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.
NGN/SLL over 5Y: show the values
| Point | NGN/SLL |
|---|---|
| 2024-08-24 | 14.1987 |
| 2024-10-07 | 13.6457 |
| 2024-11-06 | 13.6898 |
| 2024-12-06 | 14.1635 |
| 2025-01-05 | 14.8256 |
| 2025-02-04 | 15.4456 |
| 2025-03-06 | 15.2744 |
| 2025-04-06 | 14.9040 |
| 2025-05-06 | 14.1897 |
| 2025-06-07 | 14.0707 |
| 2025-07-07 | 14.8741 |
| 2025-08-06 | 15.1177 |
| 2025-09-05 | 14.9181 |
| 2025-10-06 | 15.4965 |
| 2025-11-05 | 15.7294 |
| 2025-12-05 | 15.8714 |
| 2026-01-05 | 15.8365 |
| 2026-02-04 | 16.5108 |
| 2026-03-06 | 16.5586 |
| 2026-04-05 | 16.6125 |
| 2026-05-09 | 15.3623 |
| 2026-06-12 | 16.7978 |
| 2026-07-12 | 16.6210 |
| 2026-08-11 | 16.7630 |
| 2026-09-11 | 17.2936 |
High
17.3292
Low
13.6457
Average
15.4654
Get this rate via the API
One GET request returns the NGN/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=NGN¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=NGN¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=NGN¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
NGN/SLL API questions
How do I get the NGN/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=NGN¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest NGN/SLL rate in rates.SLL.
How far back does NGN/SLL historical data go?
Daily NGN/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 NGN/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.