CZK to ISK exchange rate API
Czech Koruna to Iceland Krona · quoted 2026-10-01
5.5956
▼ +3.99% over 30D
1 CZK = 5.5956 ISK · 1 ISK = 0.17871 CZK · Get this rate via the API
1 CZK buys 5.5956 ISK as of 2026-10-01, so 1 ISK buys 0.17871 CZK. Over the last 30 days, CZK/ISK traded between 5.5956 and 5.8281, averaged 5.7264 and fell 3.99%. The API holds daily CZK/ISK rates from 1999-01-04 — 27 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.
CZK/ISK over 30D: show the values
| Point | CZK/ISK |
|---|---|
| 2026-09-01 | 5.8281 |
| 2026-09-02 | 5.8121 |
| 2026-09-03 | 5.8049 |
| 2026-09-04 | 5.8208 |
| 2026-09-05 | 5.8166 |
| 2026-09-06 | 5.8164 |
| 2026-09-07 | 5.8189 |
| 2026-09-08 | 5.8050 |
| 2026-09-09 | 5.7904 |
| 2026-09-10 | 5.7730 |
| 2026-09-11 | 5.7534 |
| 2026-09-12 | 5.7586 |
| 2026-09-13 | 5.7602 |
| 2026-09-14 | 5.7545 |
| 2026-09-15 | 5.7632 |
| 2026-09-16 | 5.7500 |
| 2026-09-17 | 5.7512 |
| 2026-09-18 | 5.7274 |
| 2026-09-19 | 5.7216 |
| 2026-09-20 | 5.7222 |
| 2026-09-21 | 5.6997 |
| 2026-09-22 | 5.6852 |
| 2026-09-23 | 5.6597 |
| 2026-09-24 | 5.6560 |
| 2026-09-25 | 5.6110 |
| 2026-09-26 | 5.6220 |
| 2026-09-27 | 5.6144 |
| 2026-09-28 | 5.6154 |
| 2026-09-29 | 5.6040 |
| 2026-09-30 | 5.6056 |
High
5.8281
Low
5.5956
Average
5.7264
Get this rate via the API
One GET request returns the CZK/ISK 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=CZK¤cies=ISK"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK¤cies=ISK");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK¤cies=ISK").json()Replace YOUR_API_KEY with the key from your dashboard.
CZK/ISK API questions
How do I get the CZK/ISK exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK¤cies=ISK, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest CZK/ISK rate in rates.ISK.
How far back does CZK/ISK historical data go?
Daily CZK/ISK rates are available from 1999-01-04. Request one day with the /historical endpoint and a date, or a range of days with /timeseries.
Is there a free CZK/ISK 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.