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WST to ARS exchange rate API

Tala to Argentine Peso · quoted 2026-10-07

554.3382

▲ +6.65% over 1Y

1 WST = 554.3382 ARS · 1 ARS = 0.001804 WST · Get this rate via the API

1 WST buys 554.3382 ARS as of 2026-10-07, so 1 ARS buys 0.001804 WST. Over the last year, WST/ARS traded between 489.3447 and 559.1640, averaged 527.5350 and rose 6.65%. The API holds daily WST/ARS 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.

WST/ARS over 1Y

WST/ARS over 1Y: show the values
PointWST/ARS
2025-10-07519.7805
2025-10-14489.3447
2025-10-21530.9910
2025-10-28519.3668
2025-11-04531.5709
2025-11-11508.7492
2025-11-18497.4525
2025-11-25509.9314
2025-12-02519.3314
2025-12-09514.5965
2025-12-17524.8846
2025-12-24526.5614
2025-12-31525.2420
2026-01-07530.4524
2026-01-14525.9743
2026-01-21520.3716
2026-01-28531.4586
2026-02-04534.5685
2026-02-11520.7173
2026-02-18517.7714
2026-02-25510.2022
2026-03-04522.8532
2026-03-11517.3470
2026-03-18514.4151
2026-03-25511.7454
2026-04-01505.1441
2026-04-08506.9111
2026-04-15504.4053
2026-04-22506.4788
2026-04-29519.6034
2026-05-06516.7795
2026-05-14519.0953
2026-05-21520.7893
2026-05-29525.8405
2026-06-05532.3644
2026-06-14525.5969
2026-06-21535.9962
2026-06-28537.6178
2026-07-05540.5092
2026-07-12542.8889
2026-07-19542.2124
2026-07-26546.1261
2026-08-02544.6459
2026-08-09549.5151
2026-08-16544.8940
2026-08-24554.8406
2026-08-31559.1640
2026-09-07557.1110
2026-09-14555.9555
2026-09-21553.0841
2026-09-28554.2347

High

559.1640

Low

489.3447

Average

527.5350

For developers

Get this rate via the API

One GET request returns the WST/ARS 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=WST&currencies=ARS"
JavaScript
const response = await fetch("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=WST&currencies=ARS");
const data = await response.json();
Python
import requests

data = requests.get("https://api.fxfeed.io/v2/latest?api_key=YOUR_API_KEY&base=WST&currencies=ARS").json()

Replace YOUR_API_KEY with the key from your dashboard.

WST/ARS API questions

How do I get the WST/ARS exchange rate from an API?

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

How far back does WST/ARS historical data go?

Daily WST/ARS 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 WST/ARS 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.