STD to SLL exchange rate API
Dobra to Leone · quoted 2026-10-19
1.0453
▲ +0.22% over 7D
1 STD = 1.0453 SLL · 1 SLL = 0.95671 STD · Get this rate via the API
1 STD buys 1.0453 SLL as of 2026-10-19, so 1 SLL buys 0.95671 STD. Over the last 7 days, STD/SLL traded between 1.0343 and 1.1050, averaged 1.0523 and rose 0.22%. The API holds daily STD/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.
STD/SLL over 7D
Daily observations · gaps mean no published rate
STD/SLL over 7D: show the values
| Date | SLL |
|---|---|
| 2026-10-12 | 1.042933 |
| 2026-10-13 | 1.034267 |
| 2026-10-14 | 1.039598 |
| 2026-10-15 | 1.105041 |
| 2026-10-16 | 1.043948 |
| 2026-10-17 | 1.05392 |
| 2026-10-18 | 1.053213 |
| 2026-10-19 | 1.045253 |
High
1.1050
Low
1.0343
Average
1.0523
Statistics use all 8 daily observations in the selected period.
Get this rate via the API
One GET request returns the STD/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=STD¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=STD¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=STD¤cies=SLL").json()Replace YOUR_API_KEY with the key from your dashboard.
STD/SLL API questions
How do I get the STD/SLL exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=STD¤cies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest STD/SLL rate in rates.SLL.
How far back does STD/SLL historical data go?
Daily STD/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 STD/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.