GTM enrichment, lead generation, email verification, and company signals.
Signaliz API is a free Business API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.

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.
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Kanban software, Visualize Work, Increase Organizations Lead Time, Throughput & Productivity
Yes. The Signaliz 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 Signaliz API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Signaliz API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Signaliz API is served over HTTPS, so it's safe to use in production.