STD to SLL exchange rate API
Dobra to Leone · quoted 2026-09-28
1.0660
▲ +4.36% over 5Y
1 STD = 1.0660 SLL · 1 SLL = 0.93809 STD · Get this rate via the API
1 STD buys 1.0660 SLL as of 2026-09-28, so 1 SLL buys 0.93809 STD. Over the last 5 years, STD/SLL traded between 0.95467 and 1.0952, averaged 1.0439 and rose 4.36%. 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.
STD/SLL over 5Y: show the values
| Point | STD/SLL |
|---|---|
| 2024-08-24 | 1.0215 |
| 2024-10-07 | 1.0128 |
| 2024-11-06 | 0.9985 |
| 2024-12-06 | 0.9700 |
| 2025-01-05 | 0.9547 |
| 2025-02-04 | 0.9578 |
| 2025-03-06 | 0.9916 |
| 2025-04-06 | 1.0268 |
| 2025-05-06 | 1.0415 |
| 2025-06-07 | 1.0100 |
| 2025-07-07 | 1.0856 |
| 2025-08-06 | 1.0819 |
| 2025-09-05 | 1.0743 |
| 2025-10-06 | 1.0792 |
| 2025-11-05 | 1.0544 |
| 2025-12-05 | 1.0844 |
| 2026-01-05 | 1.0815 |
| 2026-02-04 | 1.0952 |
| 2026-03-06 | 1.0798 |
| 2026-04-05 | 1.0721 |
| 2026-05-09 | 1.0131 |
| 2026-06-12 | 1.0719 |
| 2026-07-12 | 1.0652 |
| 2026-08-11 | 1.0711 |
| 2026-09-11 | 1.0803 |
High
1.0952
Low
0.95467
Average
1.0439
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.