Enhancement

Access shared item sets via Walmart Connect APIs

Walmart Connect now lets API partners access shared targeting item sets and audiences across advertiser accounts within the same organization. Shared item sets are available as read-only via API, making it easier to reuse targeting definitions and reduce duplicate setup across campaigns.

Learn more on the Advertising Help Center

Overview of API changes

Endpoint	Change Type	Summary of Change	Impact
List Item sets	Enhancement	Added new string parameter in the request Filter[role] Added new boolean field in the response isShared	New fields have been added to request and response to support shared itemsets in the itemsets/list API.

New metrics added to the Reach Estimate v2 API

Walmart Connect has expanded its Reach Estimate API with new v2 metrics for unique user reach. These updates bring API forecasts in line with the UI and enable outcome-based planning for reach objectives.

Overview of API changes

Endpoint	Change Type	Summary of Change	Impact
Request Reach Estimate V2	Enhancement	Added new field to response users_reach	In support of reach-based objectives and planning, this new field provides an estimate of unique users reached (UI equivalent: Unique user reach)