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SLL to BGN exchange rate API

Leone to Bulgarian Lev · quoted 2026-10-03

0.000075

▲ +2.74% over 1Y

1 SLL = 0.000075 BGN · 1 BGN = 13333.33 SLL · Get this rate via the API

1 SLL buys 0.000075 BGN as of 2026-10-03, so 1 BGN buys 13333.33 SLL. Over the last year, SLL/BGN traded between 0.000067 and 0.000081, averaged 0.000074 and rose 2.74%. The API holds daily SLL/BGN 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/BGN over 1Y

SLL/BGN over 1Y: show the values
PointSLL/BGN
2025-10-030.000073
2025-10-100.000074
2025-10-170.000073
2025-10-240.000074
2025-10-310.000074
2025-11-070.000074
2025-11-140.000074
2025-11-210.000074
2025-11-280.000073
2025-12-050.000073
2025-12-130.000072
2025-12-200.000072
2025-12-270.000072
2026-01-030.000073
2026-01-100.000073
2026-01-170.000073
2026-01-240.000072
2026-01-310.000067
2026-02-070.000072
2026-02-140.000072
2026-02-210.000072
2026-02-280.000072
2026-03-070.000070
2026-03-140.000074
2026-03-210.000073
2026-03-280.000081
2026-04-040.000074
2026-04-150.000079
2026-04-220.000079
2026-04-290.000079
2026-05-060.000079
2026-05-140.000073
2026-05-210.000073
2026-05-290.000073
2026-06-050.000073
2026-06-140.000074
2026-06-210.000074
2026-06-280.000075
2026-07-050.000074
2026-07-120.000074
2026-07-190.000074
2026-07-260.000070
2026-08-020.000074
2026-08-090.000074
2026-08-160.000073
2026-08-240.000073
2026-08-310.000073
2026-09-070.000073
2026-09-140.000073
2026-09-210.000074
2026-09-280.000074

High

0.000081

Low

0.000067

Average

0.000074

For developers

Get this rate via the API

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

Replace YOUR_API_KEY with the key from your dashboard.

SLL/BGN API questions

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

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

How far back does SLL/BGN historical data go?

Daily SLL/BGN 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/BGN 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.