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BGN to SLL exchange rate API

Bulgarian Lev to Leone · quoted 2026-10-03

13266.13

▼ +2.41% over 30D

1 BGN = 13266.13 SLL · 1 SLL = 0.000075 BGN · Get this rate via the API

1 BGN buys 13266.13 SLL as of 2026-10-03, so 1 SLL buys 0.000075 BGN. Over the last 30 days, BGN/SLL traded between 12456.33 and 14605.51, averaged 13596.40 and fell 2.41%. The API holds daily BGN/SLL 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.

BGN/SLL over 30D

7D30D6MYTD1Y5Y
BGN/SLL over 30D: show the values
PointBGN/SLL
2026-09-0313593.89
2026-09-0414605.51
2026-09-0513857.75
2026-09-0613614.85
2026-09-0713605.92
2026-09-0813622.88
2026-09-0913636.23
2026-09-1013638.40
2026-09-1113608.24
2026-09-1213603.70
2026-09-1313604.07
2026-09-1413567.80
2026-09-1513524.75
2026-09-1614539.22
2026-09-1713445.23
2026-09-1812456.33
2026-09-1913468.73
2026-09-2013469.29
2026-09-2113459.06
2026-09-2214454.02
2026-09-2313399.08
2026-09-2413326.43
2026-09-2513329.69
2026-09-2613355.03
2026-09-2713355.93
2026-09-2813352.31
2026-09-3014274.78
2026-10-0213260.23

High

14605.51

Low

12456.33

Average

13596.40

For developers

Get this rate via the API

One GET request returns the BGN/SLL 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=BGN&currencies=SLL"
JavaScript 
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BGN&currencies=SLL");
const data = await response.json();
Python 
import requests

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

Replace YOUR_API_KEY with the key from your dashboard.

BGN/SLL API questions

How do I get the BGN/SLL exchange rate from an API?

Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BGN&currencies=SLL, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest BGN/SLL rate in rates.SLL.

How far back does BGN/SLL historical data go?

Daily BGN/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 BGN/SLL exchange rate API?

Yes. The free plan includes 1,000 requests a month, with no credit card required; paid plans raise the limit.

Related pairs

SLL/BGN · inverse 0.000075 BGN/USD 0.57537BGN/EUR 0.51142BGN/GBP 0.43458BGN/JPY 90.8253BGN/CHF 0.47687BGN/AUD 0.82716

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