SLL to STD exchange rate API

Leone to Dobra · quoted 2026-10-03

0.95164

▲ +3.38% over YTD

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 year to date, SLL/STD traded between 0.85928 and 0.98705, averaged 0.93565 and rose 3.38%. 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.

SLL/STD over YTD

7D 30D 6M YTD 1Y 5Y

SLL/STD over YTD: show the values

Point	SLL/STD
2025-12-31	0.92054
2026-01-07	0.92327
2026-01-14	0.92202
2026-01-21	0.91657
2026-01-28	0.90380
2026-02-04	0.91311
2026-02-11	0.91153
2026-02-18	0.90904
2026-02-25	0.91312
2026-03-04	0.92835
2026-03-11	0.92770
2026-03-18	0.93722
2026-03-25	0.93451
2026-04-01	0.93405
2026-04-08	0.92459
2026-04-19	0.98705
2026-04-26	0.98705
2026-05-03	0.98705
2026-05-10	0.98705
2026-05-18	0.98705
2026-05-26	0.92723
2026-06-02	0.85928
2026-06-11	0.93834
2026-06-18	0.93849
2026-06-25	0.94683
2026-07-02	0.98705
2026-07-09	0.94317
2026-07-16	0.94234
2026-07-23	0.94650
2026-07-30	0.94282
2026-08-06	0.93185
2026-08-13	0.90599
2026-08-21	0.92280
2026-08-28	0.92940
2026-09-04	0.86425
2026-09-11	0.92569
2026-09-18	0.98705
2026-09-25	0.94510

High

0.98705

Low

0.85928

Average

0.93565

For developers

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.

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=SLL&currencies=STD"

JavaScript

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

Python

import requests

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

STD/SLL · inverse 1.0508 SLL/USD 0.000043 SLL/EUR 0.000038 SLL/GBP 0.000032 SLL/JPY 0.006849 SLL/CHF 0.000035 SLL/AUD 0.000062

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