ID5 Technology Ltd.

ID5 Technology Ltd.

The ID5 ID is a shared identifier to be used by publishers, advertisers and ad tech platform, designed for scenarios where 3rd party cookies may not be available. Source It claims to be able to recognize users across different types of devices and relies on signals like hashed email addresses, page URL, IP addresses, timestamps, as well as a machine learning algorithm. Source The explicit goal is to have a single user identifier that is shared across the entire ecosystem. Source

ID5 requires publishers and advertisers to send data like IP address and user agent, and recommends sharing data like hashed email addresses and mobile advertising IDs. Source

Tracker adapters

Tracking companies often use serveral endpoints and data formats for the transmitted data. For each combination of endpoints and data formats, we create a distinct adapter which decodes the request and maps it to the data types. For this tracking company, we have the following adapters: