ISK to SLL exchange rate API
Iceland Krona to Leone · quoted 2026-10-01
203.1719
▲ +7.69% over 30D
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 30 days, ISK/SLL traded between 172.3890 and 204.1970, averaged 191.5308 and rose 7.69%. 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 30D: show the values
| Point | ISK/SLL |
|---|---|
| 2026-09-01 | 188.6665 |
| 2026-09-02 | 188.7174 |
| 2026-09-03 | 189.3825 |
| 2026-09-04 | 202.8561 |
| 2026-09-05 | 192.5285 |
| 2026-09-06 | 189.1011 |
| 2026-09-07 | 189.1872 |
| 2026-09-08 | 189.5961 |
| 2026-09-09 | 190.2988 |
| 2026-09-10 | 190.1708 |
| 2026-09-11 | 190.4995 |
| 2026-09-12 | 190.5846 |
| 2026-09-13 | 190.5759 |
| 2026-09-14 | 189.5418 |
| 2026-09-15 | 188.9981 |
| 2026-09-16 | 203.3089 |
| 2026-09-17 | 188.3943 |
| 2026-09-18 | 172.3890 |
| 2026-09-19 | 189.1120 |
| 2026-09-20 | 189.1133 |
| 2026-09-21 | 189.8591 |
| 2026-09-22 | 204.0530 |
| 2026-09-23 | 189.6468 |
| 2026-09-24 | 188.7089 |
| 2026-09-25 | 191.4134 |
| 2026-09-26 | 190.7079 |
| 2026-09-27 | 190.7096 |
| 2026-09-28 | 190.4347 |
| 2026-09-30 | 204.1970 |
High
204.1970
Low
172.3890
Average
191.5308
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.