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SLL to BTN exchange rate API

Leone to Ngultrum · quoted 2026-11-13

0.004099

▲ 0.00% over 7D

1 SLL = 0.004099 BTN · 1 BTN = 243.9619 SLL · Get this rate via the API

1 SLL buys 0.004099 BTN as of 2026-11-13, so 1 BTN buys 243.9619 SLL. Over the last 7 days, SLL/BTN traded between 0.004074 and 0.004099, averaged 0.004088 and was unchanged. 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.

Daily observations · gaps mean no published rate

Download CSV
SLL/BTN over 7D: show the values
Rates per 1 SLL. Missing rates are shown as a dash.
DateBTN
2026-11-060.004099
2026-11-070.004095
2026-11-080.004092
2026-11-090.004086
2026-11-100.004074
2026-11-110.004078
2026-11-120.004077
2026-11-130.004099

High

0.004099

Low

0.004074

Average

0.004088

Statistics use all 8 daily observations in the selected period.

For developers

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
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL&currencies=BTN"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=SLL&currencies=BTN");
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=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&currencies=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.