Company Enrichment
Domain, URL or email to company name, industry, size, HQ, tickers and socials, 125k companies
Belgian company register (KBO/CBE), Official Gazette notices and VAT validation.
Firmbase API is a free Business API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Online · 2461 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
The full REST reference for the Belgian company API: fifty endpoints with their parameters and responses, and one grid showing which plan reaches which of them.
Details from firmbase.be.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Domain, URL or email to company name, industry, size, HQ, tickers and socials, 125k companies
Marketplace and payment fees for Gumroad, Etsy, Stripe and PayPal with net payout breakdowns
Catalog of Brazilian software with the source of each data point and prices in BRL
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Yes. The Firmbase 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.
Yes. The Firmbase API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The Firmbase API supports CORS, so front-end JavaScript can call it directly.
Yes. The Firmbase API is served over HTTPS, so it's safe to use in production.
Show that Firmbase is listed on Public APIs. The badge displays its developer rating once it has one.
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