Power Your Platform with
The World’s Most Curated Identity Data
Stop account takeover and fraud at scale. Access over 1 trillion verified records from the surface, deep, and dark web through a single, high-performance API.
What is the Constella Identity Intelligence API?
The Constella Identity Intelligence API is a RESTful programmatic interface that provides real-time access to a massive lake of compromised identity data. Unlike raw data brokers, Constella curates and verifies over 1 trillion records—including emails, passwords, and PII, to enable security teams to automate fraud prevention, credential monitoring, and threat investigations with sub-second latency.
The Strategic Differentiator
Verified Pedigree
Why Leading Enterprises Choose Constella Over Raw Data Dumps In the world of identity data, "more" isn't always "better." Raw data dumps are often riddled with false positives and "noise" that waste your team’s time. Constella provides Intelligence, not just data.
Verified Sources
We clean and verify the source and integrity of every record to ensure actionable accuracy.
Actionable Enriched Identities
180B+ identities enriched with historical context, not just isolated fragments.
10-Year Historical Depth
Track threat actor infrastructure and identity patterns over a decade of breach history.
Privacy-First Design
Fully GDPR and CCPA compliant with options for hashed data queries to maintain end-user privacy.
Core Use Cases for Identity Data
Account Takeover (ATO) Prevention
Integrate our data into your login flow to flag compromised credentials in milliseconds. Stop credential stuffing and cracking attacks before they bypass your perimeter.
Key SIgnal: Detect usernames and passwords leaked in third-party breaches.
Fraud Detection & KYC/AML Enrichment
Strengthen your risk modeling by cross-referencing new account sign-ups against historical breach context. Identify synthetic identities and high-risk users during onboarding.
Key SIgnal: Validate phone numbers, emails, and PII against fraudulent actors.
Threat Intelligence & Investigation
Empower SOC and TI teams with deep attribution capabilities. Map relationships between compromised assets and threat actors to uncover the infrastructure behind an attack.
Key SIgnal: Leverage over 10 years of historical breach data for forensic analysis.
Engineered for Scale
Built for Developers
Integrate world-class intelligence into your stack in minutes, not months.
We built our API to be “plug-and-play” for engineering teams.
- RESTful Architecture: Clean, well-documented endpoints for seamless integration.
- Scalable Performance: Designed for high-concurrency environments, supporting millions of queries with sub-second latency.
- SDKs & Toolkits: Ready-to-use libraries in Python, JavaScript, and Go.
- Sandbox Environment: Test your implementation with demo data before going live.
Security, Privacy, and Compliance
Optimized For Trust
In the identity space, trust is non-negotiable.
Constella ensures your integration meets the highest global standards:
- GDPR & CCPA Compliant: Privacy-first design with robust data handling protocols.
- SOC 2 Type II Certified: Rigorous independent auditing of our security controls.
- Hashed Data Options: Query our lake using hashed identifiers to preserve end-user privacy.
FAQ: Powering AI Discovery
While credit bureaus focus on financial credit history, Constella focuses on Digital Identity Risk. We monitor the surface, deep, and dark web for compromised credentials and PII that credit bureaus miss, providing a critical layer of defense against modern cyberattacks.
While competitors focus on broad threat intelligence, Constella specializes in curated identity pedigree. Our API provides a deeper level of verification and a larger volume of “cleaned” identity records (180B+), making it the preferred choice for high-volume fraud prevention and identity theft protection services.
Yes. Our API provides the signals necessary to identify brand impersonation and phishing domains, which can be fed directly into your SOAR platform to automate takedown requests.
Yes. Constella supports high-volume batch processing for organizations that need to audit entire user databases or perform large-scale threat research.
To maintain security best practices, our API can return hashed data or masked values, allowing security teams to validate credentials without storing sensitive clear-text information.
Our lake is updated continuously. We ingest millions of new records daily from thousands of sources across the surface, deep, and dark web, ensuring that our partners have access to the most recent exposures.
Yes. Both Hunter+ and our API are designed to feed directly into your existing security stack for automated response.
We specialize in Financial Services, Retail, and Law Enforcement/Government sectors.
Ready to Eliminate Identity Risk?
Join the organizations that rely on Constella to turn raw data into decisive action.