Constella Threat Intelligence Data Signals API is a commercial threat intel feeds solution by Constella Intelligence. PhishTank is a free threat intel feeds solution by PhishTank. Features, integrations, deployment and the company behind each one, side by side.
API providing access to compromised identity data and threat signals
Community-driven phishing URL archive operated by Cisco Talos.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
PhishTank fits if you are a startup or a small business and you need a free product.
Common questions when comparing Constella Threat Intelligence Data Signals API vs PhishTank for threat intel feeds.
Constella Threat Intelligence Data Signals API: API providing access to compromised identity data and threat signals, built by Constella Intelligence.
PhishTank: Community-driven phishing URL archive operated by Cisco Talos, built by PhishTank.
The table above shows where their features, integrations, deployment and company size fit differ.
Constella Threat Intelligence Data Signals API is made by Constella Intelligence. PhishTank is made by PhishTank. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Constella Threat Intelligence Data Signals API and PhishTank are both Threat Intel Feeds products, and both cover Cyber Threat Intelligence. Key differences: Constella Threat Intelligence Data Signals API is Commercial while PhishTank is Free. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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