SLL to BTN exchange rate API
Leone to Ngultrum · quoted 2026-10-02
0.004177
▲ +0.82% over 30D
1 SLL = 0.004177 BTN · 1 BTN = 239.4063 SLL · Get this rate via the API
1 SLL buys 0.004177 BTN as of 2026-10-02, so 1 BTN buys 239.4063 SLL. Over the last 30 days, SLL/BTN traded between 0.003844 and 0.004571, averaged 0.004135 and rose 0.82%. The API holds daily SLL/BTN 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/BTN over 30D: show the values
| Point | SLL/BTN |
|---|---|
| 2026-09-02 | 0.004143 |
| 2026-09-03 | 0.004117 |
| 2026-09-04 | 0.003844 |
| 2026-09-05 | 0.004046 |
| 2026-09-06 | 0.004122 |
| 2026-09-07 | 0.004121 |
| 2026-09-08 | 0.004130 |
| 2026-09-09 | 0.004141 |
| 2026-09-10 | 0.004156 |
| 2026-09-11 | 0.004172 |
| 2026-09-12 | 0.004167 |
| 2026-09-13 | 0.004166 |
| 2026-09-14 | 0.004170 |
| 2026-09-15 | 0.004179 |
| 2026-09-16 | 0.003892 |
| 2026-09-17 | 0.004178 |
| 2026-09-18 | 0.004571 |
| 2026-09-19 | 0.004185 |
| 2026-09-20 | 0.004183 |
| 2026-09-21 | 0.004175 |
| 2026-09-22 | 0.003886 |
| 2026-09-23 | 0.004169 |
| 2026-09-24 | 0.004183 |
| 2026-09-25 | 0.004183 |
| 2026-09-26 | 0.004174 |
| 2026-09-27 | 0.004176 |
| 2026-09-28 | 0.004184 |
| 2026-09-30 | 0.003895 |
| 2026-10-02 | 0.004177 |
High
0.004571
Low
0.003844
Average
0.004135
Get this rate via the API
One GET request returns the SLL/BTN 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=BTN"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=BTN");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=BTN").json()Replace YOUR_API_KEY with the key from your dashboard.
SLL/BTN API questions
How do I get the SLL/BTN exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL¤cies=BTN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest SLL/BTN rate in rates.BTN.
How far back does SLL/BTN historical data go?
Daily SLL/BTN 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/BTN 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.