# Constella Threat Intelligence Data Signals API vs SpamTitan for Office 365: side-by-side comparison (2026) [Constella Threat Intelligence Data Signals API](https://cybersectools.com/tools/constella-threat-intelligence-data-signals-api) is a commercial [threat intel feeds](https://cybersectools.com/categories/threat-intel-feeds) solution by [Constella Intelligence](https://cybersectools.com/companies/constella-intelligence). [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SpamTitan (TitanHQ)](https://cybersectools.com/companies/spamtitan-titanhq). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Constella Threat Intelligence Data Signals API | SpamTitan for Office 365 | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Threat Intel Feeds | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Constella Intelligence | SpamTitan (TitanHQ) | | Headquarters | – | – | ### Use cases and capabilities | | Constella Threat Intelligence Data Signals API | SpamTitan for Office 365 | |---|---|---| | Dark Web Monitoring | Yes | – | | Data Breach | Yes | – | | Fraud Detection | Yes | – | | Cyber Threat Intelligence | Yes | – | | Spam Prevention | – | Yes | | Microsoft 365 | – | Yes | | Zero Day | – | Yes | | Content Filtering | – | Yes | | Multi Tenancy | – | Yes | ### Core features **Constella Threat Intelligence Data Signals API** 9 features listed. Sign in on the page to see them. **SpamTitan for Office 365** 10 features listed. Sign in on the page to see them. ### Integrations **Constella Threat Intelligence Data Signals API** 2 integrations listed. Sign in on the page to see them. **SpamTitan for Office 365** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Constella Threat Intelligence Data Signals API](https://cybersectools.com/tools/constella-threat-intelligence-data-signals-api) fits if you want a cloud product. - [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365) fits if you need both cloud and on-premises options and you are a small business. ## Constella Threat Intelligence Data Signals API vs SpamTitan for Office 365 FAQ Common questions when comparing Constella Threat Intelligence Data Signals API vs SpamTitan for Office 365 for threat intel feeds. ### What is the difference between Constella Threat Intelligence Data Signals API and SpamTitan for Office 365? **Constella Threat Intelligence Data Signals API**: API providing access to compromised identity data and threat signals. Built by Constella Intelligence. **SpamTitan for Office 365**: Email security layer for M365 with anti-phishing, sandboxing, and DLP. Built by SpamTitan (TitanHQ). The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Constella Threat Intelligence Data Signals API and SpamTitan for Office 365? **Constella Threat Intelligence Data Signals API** is made by Constella Intelligence. **SpamTitan for Office 365** is made by SpamTitan (TitanHQ). The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Constella Threat Intelligence Data Signals API a good alternative to SpamTitan for Office 365? In part. Constella Threat Intelligence Data Signals API and SpamTitan for Office 365 are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Constella Threat Intelligence Data Signals API vs ZeroFox Threat Intelligence Feeds](https://cybersectools.com/compare/constella-threat-intelligence-data-signals-api-vs-zerofox-threat-intelligence-feeds) - [Constella Threat Intelligence Data Signals API vs Webz.io](https://cybersectools.com/compare/constella-threat-intelligence-data-signals-api-vs-webzio) - [Constella Threat Intelligence Data Signals API vs Netacea Threat Intel Center](https://cybersectools.com/compare/constella-threat-intelligence-data-signals-api-vs-netacea-threat-intel-center) - [SpamTitan for Office 365 vs ZeroFox Threat Intelligence Feeds](https://cybersectools.com/compare/spamtitan-for-office-365-vs-zerofox-threat-intelligence-feeds) - [SpamTitan for Office 365 vs Webz.io](https://cybersectools.com/compare/spamtitan-for-office-365-vs-webzio) - [SpamTitan for Office 365 vs Netacea Threat Intel Center](https://cybersectools.com/compare/netacea-threat-intel-center-vs-spamtitan-for-office-365) ## Alternatives to each - [See all Constella Threat Intelligence Data Signals API alternatives](https://cybersectools.com/alternatives/constella-threat-intelligence-data-signals-api) - [See all SpamTitan for Office 365 alternatives](https://cybersectools.com/alternatives/spamtitan-for-office-365) --- Source: https://cybersectools.com/compare/constella-threat-intelligence-data-signals-api-vs-spamtitan-for-office-365 For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/constella-threat-intelligence-data-signals-api.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Constella Threat Intelligence Data Signals API and SpamTitan for Office 365: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md