W System EU Business Data API

EU VAT (VIES) and EORI validation, company registers, EU/UN/OFAC/UK sanctions screening.

W System EU Business Data API is a free Business API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.

Authentication: None required
HTTPS: Yes
CORS: Yes
Category: Business
Uptime (30 days): 100%

Visit documentation ↗api.wsystem.dev

Online · 1873 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About W System

Provider: W System
Website: api.wsystem.dev ↗

Details from api.wsystem.dev.

Key facts

No API key needed
100% uptime (30 days)
Callable from the browser (CORS)
HTTPS

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W System EU Business Data API FAQ

Who provides the W System EU Business Data API?

The W System EU Business Data API is provided by W System (api.wsystem.dev).

Is the W System EU Business Data API free?

Yes. The W System EU Business Data API is listed in the Business category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the W System EU Business Data API require an API key?

No. The W System EU Business Data API requires no authentication, so you can start making requests without signing up.

Can I call the W System EU Business Data API from the browser?

Yes. The W System EU Business Data API supports CORS, so front-end JavaScript can call it directly.

Does the W System EU Business Data API support HTTPS?

Yes. The W System EU Business Data API is served over HTTPS, so it's safe to use in production.

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