
Perform OSINT via Intelligence X.
Intelligence X API is a free Security API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Public SDK for Intelligence X.
Details from github.com.

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The Intelligence X API is provided by IntelligenceX (github.com). Public SDK for Intelligence X.
Yes. The Intelligence X API is listed in the Security 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 Intelligence X API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Intelligence X API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Intelligence X API is served over HTTPS, so it's safe to use in production.