Constella Threat Intelligence Data Signals API is a commercial threat intel feeds solution by Constella Intelligence. FireEye IOCs is a free threat intel feeds solution. Features, integrations, deployment and the company behind each one, side by side.
API providing access to compromised identity data and threat signals
Repository of IOCs provided under the Apache 2.0 license
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Based on what each listing shows: deployment, company size, price and open source.
FireEye IOCs fits if you are a startup or a small business, you need a free product and you want an open-source product.
Common questions when comparing Constella Threat Intelligence Data Signals API vs FireEye IOCs for threat intel feeds.
Constella Threat Intelligence Data Signals API: API providing access to compromised identity data and threat signals. Built by Constella Intelligence.
FireEye IOCs: Repository of IOCs provided under the Apache 2.0 license.
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. FireEye IOCs is open-source with 473 GitHub stars. 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 FireEye IOCs are both Threat Intel Feeds products. Key differences: Constella Threat Intelligence Data Signals API is Commercial while FireEye IOCs is Free, FireEye IOCs is open-source. 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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