ARS to BYN exchange rate API
Argentine Peso to Belarussian Ruble · quoted 2026-10-02
0.001979
▼ +0.80% over 7D
1 ARS = 0.001979 BYN · 1 BYN = 505.3057 ARS · Get this rate via the API
1 ARS buys 0.001979 BYN as of 2026-10-02, so 1 BYN buys 505.3057 ARS. Over the last 7 days, ARS/BYN traded between 0.001968 and 0.001995, averaged 0.001982 and fell 0.80%. The API holds daily ARS/BYN 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.
Get this rate via the API
One GET request returns the ARS/BYN 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=ARS¤cies=BYN"const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ARS¤cies=BYN");
const data = await response.json();import requests
data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ARS¤cies=BYN").json()Replace YOUR_API_KEY with the key from your dashboard.
ARS/BYN API questions
How do I get the ARS/BYN exchange rate from an API?
Send one GET request to https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=ARS¤cies=BYN, replacing YOUR_API_KEY with your own key. The JSON response carries the date and the latest ARS/BYN rate in rates.BYN.
How far back does ARS/BYN historical data go?
Daily ARS/BYN 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 ARS/BYN 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.