SLL to STD exchange rate API
Leone to Dobra · quoted 2026-10-03
0.95164
▲ +1.57% over 7D
1 SLL = 0.95164 STD · 1 STD = 1.0508 SLL · Get this rate via the API
1 SLL buys 0.95164 STD as of 2026-10-03, so 1 STD buys 1.0508 SLL. Over the last 7 days, SLL/STD traded between 0.88311 and 0.95164, averaged 0.93418 and rose 1.57%. The API holds daily SLL/STD 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.
Get this rate via the API
One GET request returns the SLL/STD 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=SLL¤cies=STD"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=STD");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=STD").json()Replace YOUR_API_KEY with the key from your dashboard.
SLL/STD API questions
How do I get the SLL/STD exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=STD, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest SLL/STD rate in rates.STD.
How far back does SLL/STD historical data go?
Daily SLL/STD 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 SLL/STD 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.