CZK to SLL exchange rate API
Czech Koruna to Leone · quoted 2026-10-01
1136.87
▲ +13.02% over 5Y
1 CZK = 1136.87 SLL · 1 SLL = 0.000880 CZK · Get this rate via the API
1 CZK buys 1136.87 SLL as of 2026-10-01, so 1 SLL buys 0.000880 CZK. Over the last 5 years, CZK/SLL traded between 933.0521 and 1136.87, averaged 1046.30 and rose 13.02%. 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 5Y: show the values
| Point | CZK/SLL |
|---|---|
| 2024-08-24 | 1005.93 |
| 2024-10-07 | 980.34 |
| 2024-11-06 | 960.17 |
| 2024-12-06 | 958.65 |
| 2025-01-05 | 933.05 |
| 2025-02-04 | 939.47 |
| 2025-03-06 | 984.82 |
| 2025-04-06 | 987.87 |
| 2025-05-06 | 1032.67 |
| 2025-06-07 | 1007.37 |
| 2025-07-07 | 1083.26 |
| 2025-08-06 | 1091.10 |
| 2025-09-05 | 1090.14 |
| 2025-10-06 | 1092.23 |
| 2025-11-05 | 1069.49 |
| 2025-12-05 | 1105.34 |
| 2026-01-05 | 1100.61 |
| 2026-02-04 | 1111.82 |
| 2026-03-06 | 1086.08 |
| 2026-04-05 | 1076.09 |
| 2026-05-09 | 1016.13 |
| 2026-06-12 | 1093.51 |
| 2026-07-12 | 1076.03 |
| 2026-08-11 | 1088.65 |
| 2026-09-11 | 1096.02 |
High
1136.87
Low
933.0521
Average
1046.30
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.