CZK to SLL exchange rate API
Czech Koruna to Leone · quoted 2026-10-23
1054.43
▼ +0.76% over 7D
1 CZK = 1054.43 SLL · 1 SLL = 0.000948 CZK · Get this rate via the API
1 CZK buys 1054.43 SLL as of 2026-10-23, so 1 SLL buys 0.000948 CZK. Over the last 7 days, CZK/SLL traded between 1054.43 and 1062.65, averaged 1059.43 and fell 0.76%. The API holds daily CZK/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.
CZK/SLL over 7D
Daily observations · gaps mean no published rate
CZK/SLL over 7D: show the values
| Date | SLL |
|---|---|
| 2026-10-16 | 1062.512616 |
| 2026-10-17 | 1061.065937 |
| 2026-10-18 | 1058.798443 |
| 2026-10-19 | 1058.950233 |
| 2026-10-20 | 1057.926697 |
| 2026-10-21 | 1062.65418 |
| 2026-10-22 | 1059.073277 |
| 2026-10-23 | 1054.431011 |
High
1062.65
Low
1054.43
Average
1059.43
Statistics use all 8 daily observations in the selected period.
Get this rate via the API
One GET request returns the CZK/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=CZK¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
CZK/SLL API questions
How do I get the CZK/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest CZK/SLL rate in rates.SLL.
How far back does CZK/SLL historical data go?
Daily CZK/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 CZK/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.