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API reference

Every endpoint, grouped by what you start with — email/HEM, IP, or LinkedIn.

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The APIs

Core Identity

Pass in a HEM; enrich it with three shapes of person-level data: Universal, Personal (B2C), Professional (B2B).

HEM → Business Profile

Hand us a HEM, get a B2B profile back. Optional mobile-phone second hop.

Identity Resolution

Resolve an IP/UA into a HEM, mobile ad IDs, or company data.

LinkedIn lookups

Resolve a LinkedIn profile into a business profile, hashed emails, or a mobile phone.
Most endpoints accept a HEM — a 32-character hashed email (MD5) — or a plaintext email.

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Authentication

Send your API key in a request header on every call. Any of these work:
To find your key, log in to the dashboard and click API key at the top of the page. Keep it secret: it authenticates every request and draws down your account’s credits.