ISK to SLL exchange rate API
Iceland Krona to Leone · quoted 2026-10-01
203.1719
▲ +11.19% over 6M
1 ISK = 203.1719 SLL · 1 SLL = 0.004922 ISK · Get this rate via the API
1 ISK buys 203.1719 SLL as of 2026-10-01, so 1 SLL buys 0.004922 ISK. Over the last 6 months, ISK/SLL traded between 170.9394 and 203.1719, averaged 184.2833 and rose 11.19%. The API holds daily ISK/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.
ISK/SLL over 6M: show the values
| Point | ISK/SLL |
|---|---|
| 2026-04-04 | 182.7277 |
| 2026-04-15 | 171.5421 |
| 2026-04-22 | 171.0953 |
| 2026-04-29 | 170.9394 |
| 2026-05-06 | 171.7572 |
| 2026-05-14 | 186.2852 |
| 2026-05-21 | 184.8228 |
| 2026-05-29 | 185.7433 |
| 2026-06-05 | 184.9605 |
| 2026-06-14 | 183.0843 |
| 2026-06-21 | 181.9418 |
| 2026-06-28 | 180.4210 |
| 2026-07-05 | 181.4230 |
| 2026-07-12 | 182.1869 |
| 2026-07-19 | 182.5205 |
| 2026-07-26 | 192.6200 |
| 2026-08-02 | 185.8204 |
| 2026-08-09 | 185.3250 |
| 2026-08-16 | 186.4346 |
| 2026-08-24 | 188.9615 |
| 2026-08-31 | 188.5576 |
| 2026-09-07 | 189.1872 |
| 2026-09-14 | 189.5418 |
| 2026-09-21 | 189.8591 |
| 2026-09-28 | 190.4347 |
High
203.1719
Low
170.9394
Average
184.2833
Get this rate via the API
One GET request returns the ISK/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=ISK¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ISK¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ISK¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
ISK/SLL API questions
How do I get the ISK/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ISK¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest ISK/SLL rate in rates.SLL.
How far back does ISK/SLL historical data go?
Daily ISK/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 ISK/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.