HEM-to-Business-Domain API

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.

Optional Parameters

Optional Configuration Parameters are used to specify and configure how the HEM-to-Business Domain API will perform the search.

Optional Config. ParamValueDescription
rcfg_max_timeA whole or decimal numberMaximum allowed API run time (in seconds).