CZK to SLL exchange rate API

Czech Koruna to Leone · quoted 2026-10-01

1136.87

▲ +3.33% over 1Y

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 year, CZK/SLL traded between 1005.04 and 1180.94, averaged 1089.71 and rose 3.33%. 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 1Y

7D 30D 6M YTD 1Y 5Y

CZK/SLL over 1Y: show the values

Point	CZK/SLL
2025-10-01	1100.20
2025-10-08	1086.76
2025-10-15	1086.33
2025-10-22	1081.59
2025-10-29	1084.57
2025-11-05	1069.49
2025-11-12	1084.29
2025-11-19	1097.71
2025-11-26	1096.97
2025-12-03	1109.00
2025-12-11	1110.95
2025-12-18	1101.18
2025-12-25	1112.27
2026-01-01	1107.31
2026-01-08	1099.55
2026-01-15	1099.54
2026-01-22	1100.06
2026-01-29	1125.50
2026-02-05	1116.17
2026-02-12	1026.98
2026-02-19	1112.31
2026-02-26	1117.28
2026-03-05	1089.36
2026-03-12	1082.96
2026-03-19	1069.39
2026-03-26	1078.11
2026-04-02	1079.23
2026-04-13	1005.04
2026-04-20	1015.28
2026-04-27	1011.50
2026-05-04	1005.79
2026-05-11	1013.87
2026-05-19	1095.42
2026-05-27	1094.74
2026-06-03	1180.94
2026-06-12	1093.51
2026-06-19	1171.01
2026-06-26	1073.57
2026-07-03	1080.72
2026-07-10	1078.26
2026-07-17	1079.72
2026-07-24	1113.92
2026-07-31	1085.34
2026-08-07	1087.60
2026-08-14	1094.57
2026-08-22	1124.82
2026-08-29	1125.75
2026-09-05	1119.87
2026-09-12	1097.50
2026-09-19	1082.02
2026-09-26	1072.15

High

1180.94

Low

1005.04

Average

1089.71

For developers

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.

Get a free API key Read the API docs

cURL

curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK&currencies=SLL"

JavaScript

const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK&currencies=SLL");
const data = await response.json();

Python

import requests

data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=CZK&currencies=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&currencies=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.

SLL/CZK · inverse 0.000880 CZK/USD 0.04613 CZK/EUR 0.04087 CZK/GBP 0.03487 CZK/JPY 7.2895 CZK/CHF 0.03855 CZK/AUD 0.06635

Put these rates in your application

One endpoint, JSON responses, 160+ currencies and history back to 1999. Start on the free plan.

Get a free API key Read the docs