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Fast checks using the new Malicious Lookup API

calendar_today March 24, 2026 person urlscan.io domain urlscan-io

Today we are announcing a new API endpoint for looking up observables on urlscan.io: The Malicious Lookup API . This new endpoint enables fast checks against our database of malicious websites and is meant to answer a simple question: Has this hostname/domain/IP/URL been observed hosting malicious content? The API answers this question efficiently with predictable performance.

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