By Anu Adegbola
Publication Date: 2026-01-08 19:28:00
The Google Ads API will no longer accept new adopters of session attributes or IP address data in conversion imports starting Feb. 2nd. Developers who already use these fields can continue for now, but Google is steering everyone toward the Data Manager API as the primary place to send complex conversion and user data.
Zoom out. Google is consolidating richer data ingestion into the Data Manager API, positioning it as the long-term home for session-level attributes and IP-based signals. The Ads API is increasingly focused on core campaign and conversion workflows rather than handling complex data payloads.
Why we care. This change can directly affect whether conversions are successfully recorded. If session attributes or IP data are blocked, conversions may fail or lose important context, which can impact reporting, attribution, and automated bidding. Moving to the Data Manager API ensures continuity of measurement, access to richer data signals, and…
