BGN to SLL exchange rate API

Bulgarian Lev to Leone · quoted 2026-10-03

13266.13

▼ +1.69% over 6M

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 6 months, BGN/SLL traded between 12570.87 and 14650.22, averaged 13463.30 and fell 1.69%. 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 6M

7D 30D 6M YTD 1Y 5Y

BGN/SLL over 6M: show the values

Point	BGN/SLL
2026-04-06	13493.88
2026-04-17	12570.87
2026-04-24	12570.87
2026-05-01	12570.87
2026-05-08	12570.87
2026-05-16	14258.74
2026-05-24	13568.69
2026-05-31	13631.05
2026-06-09	13456.06
2026-06-16	14650.22
2026-06-23	13339.54
2026-06-30	13300.10
2026-07-07	13430.15
2026-07-14	13322.03
2026-07-21	13354.30
2026-07-28	14096.74
2026-08-04	13476.73
2026-08-11	13500.63
2026-08-18	13572.05
2026-08-26	13643.00
2026-09-02	13567.60
2026-09-09	13636.23
2026-09-16	14539.22
2026-09-23	13399.08
2026-10-02	13260.23

High

14650.22

Low

12570.87

Average

13463.30

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.

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