ISK to SLL exchange rate API
Iceland Krona to Leone · quoted 2026-10-01
203.1719
▲ +22.99% over 5Y
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 5 years, ISK/SLL traded between 161.0925 and 203.1719, averaged 178.0955 and rose 22.99%. 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 5Y: show the values
| Point | ISK/SLL |
|---|---|
| 2024-08-24 | 165.1905 |
| 2024-10-07 | 167.3244 |
| 2024-11-06 | 164.0582 |
| 2024-12-06 | 165.2148 |
| 2025-01-05 | 162.7381 |
| 2025-02-04 | 161.0925 |
| 2025-03-06 | 167.9148 |
| 2025-04-06 | 172.4343 |
| 2025-05-06 | 175.7013 |
| 2025-06-07 | 173.3844 |
| 2025-07-07 | 187.3262 |
| 2025-08-06 | 187.7031 |
| 2025-09-05 | 186.1699 |
| 2025-10-06 | 187.2352 |
| 2025-11-05 | 177.2669 |
| 2025-12-05 | 179.8401 |
| 2026-01-05 | 180.6597 |
| 2026-02-04 | 186.7624 |
| 2026-03-06 | 183.0292 |
| 2026-04-05 | 182.8178 |
| 2026-05-09 | 171.8665 |
| 2026-06-12 | 183.2955 |
| 2026-07-12 | 182.1869 |
| 2026-08-11 | 185.5985 |
| 2026-09-11 | 190.4995 |
High
203.1719
Low
161.0925
Average
178.0955
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.