Combine is a free threat intel feeds solution. Constella Threat Intelligence Data Signals API is a commercial threat intel feeds solution by Constella Intelligence. Features, integrations, deployment and the company behind each one, side by side.
Gathers Threat Intelligence Feeds from publicly available sources and provides detailed output in CSV format.
API providing access to compromised identity data and threat signals
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Based on what each listing shows: deployment, company size, price and open source.
Combine fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.
Constella Threat Intelligence Data Signals API fits if you want a cloud product.
Common questions when comparing Combine vs Constella Threat Intelligence Data Signals API for threat intel feeds.
Combine: Gathers Threat Intelligence Feeds from publicly available sources and provides detailed output in CSV format.
Constella Threat Intelligence Data Signals API: API providing access to compromised identity data and threat signals, built by Constella Intelligence.
The table above shows where their features, integrations, deployment and company size fit differ.
Combine is open-source with 658 GitHub stars. Constella Threat Intelligence Data Signals API is made by Constella Intelligence. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Combine and Constella Threat Intelligence Data Signals API are both Threat Intel Feeds products, and both cover Cyber Threat Intelligence. Key differences: Combine is Free while Constella Threat Intelligence Data Signals API is Commercial, Combine is open-source. Use the table above to see where features, deployment and company size fit differ.
No Threat Intel Feeds shortlist yet. This is the closest one.
Updated 2026-11-01
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