BGN to SLL exchange rate API
Bulgarian Lev to Leone · quoted 2026-10-03
13266.13
▲ +2.86% over 5Y
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 5 years, BGN/SLL traded between 12004.37 and 13851.93, averaged 13144.79 and rose 2.86%. 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 5Y: show the values
| Point | BGN/SLL |
|---|---|
| 2024-08-24 | 12897.32 |
| 2024-10-07 | 12704.61 |
| 2024-11-06 | 12439.84 |
| 2024-12-06 | 12307.91 |
| 2025-01-05 | 12004.37 |
| 2025-02-04 | 12091.41 |
| 2025-03-06 | 12612.07 |
| 2025-04-06 | 12771.79 |
| 2025-05-06 | 13178.95 |
| 2025-06-07 | 12769.30 |
| 2025-07-07 | 13639.05 |
| 2025-08-06 | 13704.88 |
| 2025-09-05 | 13611.98 |
| 2025-10-06 | 13574.98 |
| 2025-11-05 | 13323.57 |
| 2025-12-05 | 13682.49 |
| 2026-01-05 | 13650.67 |
| 2026-02-04 | 13851.93 |
| 2026-03-06 | 13628.65 |
| 2026-04-05 | 13493.32 |
| 2026-05-09 | 12570.87 |
| 2026-06-12 | 13521.03 |
| 2026-07-12 | 13358.65 |
| 2026-08-11 | 13500.63 |
| 2026-09-11 | 13608.24 |
High
13851.93
Low
12004.37
Average
13144.79
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.
curl -X GET "https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BGN¤cies=SLL"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BGN¤cies=SLL");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=BGN¤cies=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¤cies=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.
Put these rates in your application
One endpoint, JSON responses, 160+ currencies and history back to 1999. Start on the free plan.