ISK to CRC exchange rate API
Iceland Krona to Costa Rican Colon · quoted 2026-10-01
3.7633
▲ +1.16% over 30D
1 ISK = 3.7633 CRC · 1 CRC = 0.26573 ISK · Get this rate via the API
1 ISK buys 3.7633 CRC as of 2026-10-01, so 1 CRC buys 0.26573 ISK. Over the last 30 days, ISK/CRC traded between 3.6772 and 3.7851, averaged 3.7340 and rose 1.16%. The API holds daily ISK/CRC 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/CRC over 30D: show the values
| Point | ISK/CRC |
|---|---|
| 2026-09-01 | 3.7203 |
| 2026-09-02 | 3.7368 |
| 2026-09-03 | 3.7429 |
| 2026-09-04 | 3.7395 |
| 2026-09-05 | 3.7238 |
| 2026-09-06 | 3.7210 |
| 2026-09-07 | 3.7456 |
| 2026-09-08 | 3.7540 |
| 2026-09-09 | 3.7634 |
| 2026-09-10 | 3.7672 |
| 2026-09-11 | 3.7607 |
| 2026-09-12 | 3.7340 |
| 2026-09-13 | 3.7219 |
| 2026-09-14 | 3.7248 |
| 2026-09-15 | 3.7079 |
| 2026-09-16 | 3.6964 |
| 2026-09-17 | 3.6923 |
| 2026-09-18 | 3.6772 |
| 2026-09-19 | 3.6879 |
| 2026-09-20 | 3.6797 |
| 2026-09-21 | 3.7011 |
| 2026-09-22 | 3.7047 |
| 2026-09-23 | 3.7356 |
| 2026-09-24 | 3.7294 |
| 2026-09-25 | 3.7851 |
| 2026-09-26 | 3.7778 |
| 2026-09-27 | 3.7680 |
| 2026-09-28 | 3.7741 |
| 2026-09-30 | 3.7823 |
High
3.7851
Low
3.6772
Average
3.7340
Get this rate via the API
One GET request returns the ISK/CRC 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=CRC"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ISK¤cies=CRC");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ISK¤cies=CRC").json()Replace YOUR_API_KEY with the key from your dashboard.
ISK/CRC API questions
How do I get the ISK/CRC exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ISK¤cies=CRC, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest ISK/CRC rate in rates.CRC.
How far back does ISK/CRC historical data go?
Daily ISK/CRC 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/CRC 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.