NGN to SLL exchange rate API
Naira to Leone · quoted 2026-10-03
17.3292
▲ +4.24% over 6M
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 6 months, NGN/SLL traded between 15.2540 and 18.5506, averaged 16.8323 and rose 4.24%. 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 6M: show the values
| Point | NGN/SLL |
|---|---|
| 2026-04-06 | 16.6236 |
| 2026-04-17 | 15.6386 |
| 2026-04-24 | 15.5178 |
| 2026-05-01 | 15.2540 |
| 2026-05-08 | 15.4013 |
| 2026-05-16 | 17.4792 |
| 2026-05-24 | 16.6833 |
| 2026-05-31 | 16.6261 |
| 2026-06-09 | 16.7533 |
| 2026-06-16 | 18.2156 |
| 2026-06-23 | 16.6884 |
| 2026-06-30 | 16.5394 |
| 2026-07-07 | 16.7897 |
| 2026-07-14 | 16.5540 |
| 2026-07-21 | 16.5776 |
| 2026-07-28 | 17.7313 |
| 2026-08-04 | 16.7925 |
| 2026-08-11 | 16.7630 |
| 2026-08-18 | 16.9464 |
| 2026-08-26 | 16.9762 |
| 2026-09-02 | 17.1936 |
| 2026-09-09 | 17.3584 |
| 2026-09-16 | 18.5506 |
| 2026-09-23 | 17.3107 |
| 2026-10-02 | 17.3474 |
High
18.5506
Low
15.2540
Average
16.8323
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.