Skip to content

SLL to BGN exchange rate API

Leone to Bulgarian Lev · quoted 2026-10-03

0.000075

▲ +4.17% over YTD

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 year to date, SLL/BGN traded between 0.000068 and 0.000080, averaged 0.000074 and rose 4.17%. 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 YTD

SLL/BGN over YTD: show the values
PointSLL/BGN
2025-12-310.000072
2026-01-070.000073
2026-01-140.000073
2026-01-210.000072
2026-01-280.000071
2026-02-040.000072
2026-02-110.000071
2026-02-180.000071
2026-02-250.000072
2026-03-040.000073
2026-03-110.000073
2026-03-180.000074
2026-03-250.000073
2026-04-010.000073
2026-04-080.000072
2026-04-190.000079
2026-04-260.000079
2026-05-030.000079
2026-05-100.000079
2026-05-180.000079
2026-05-260.000073
2026-06-020.000068
2026-06-110.000074
2026-06-180.000074
2026-06-250.000075
2026-07-020.000080
2026-07-090.000074
2026-07-160.000074
2026-07-230.000074
2026-07-300.000074
2026-08-060.000073
2026-08-130.000071
2026-08-210.000073
2026-08-280.000073
2026-09-040.000068
2026-09-110.000073
2026-09-180.000080
2026-09-250.000075

High

0.000080

Low

0.000068

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.