Hashed Email to Business Domain

Discover the domain associated to an email (business or consumer) starting from a Hashed Email . The HEM-to-Business-Domain API accepts a single Hashed Email (either Business or Consumer) and returns the associated business domain found for that record.

The Versium REACH APIs currently support the following Hashing methods:

  • MD5 (UPPER, lower, NaturalCase)
  • SHA1 (UPPER, lower, NaturalCase)
  • SHA256 (UPPER, lower, NaturalCase)

See Hashed Input Support for more details.


Here's the format to call the HEM-to-Business-Domain Append API:


Data Tool

The HEM-to-Business-Domain API accepts the following data tool:

Data ToolDescription
hemtobusinessdomainA Hashed Email (MD5, SHA1, SHA256)



Inputs - what the API uses to search

Inputs are information that the HEM-to-Domain API will use to search in the Versium REACH back end. The data tool of this API service accepts the following:

  • email: a Hashed Email (MD5, SHA1, SHA256)

The API will then match your inputs with consumers in the Versium Data store, and returns associated domains and as available.