Last updated Feb 26, 2026 by AI Enrichment
On June 28, 2023, Walmart Connect launched its official API, marking a significant milestone in the evolution of Walmart's retail media network. The API provides programmatic access to Walmart's advertising platform, enabling advertisers, agencies, and technology partners to automate campaign management, bidding strategies, and reporting functions. This launch represented Walmart's commitment to making its retail media network more accessible and integrated with the broader advertising technology ecosystem, allowing for seamless connectivity with third-party platforms, demand-side platforms (DSPs), and marketing automation tools. The Walmart Connect API enables advertisers to programmatically create, manage, and optimize campaigns across Walmart's digital properties, including Walmart.com and the Walmart mobile app. By offering API access, Walmart Connect positioned itself to compete more effectively with other major retail media networks like Amazon Advertising and Target's Roundel, which had already established programmatic capabilities. The launch addressed a critical need among enterprise advertisers and agencies who manage campaigns at scale across multiple retail media platforms and require standardized, automated workflows rather than manual campaign management through individual platform interfaces.
The launch of Walmart Connect API significantly impacted the retail media landscape by intensifying competition among retail media networks and accelerating the trend toward programmatic access and standardization. This move pressured other retail media players to enhance their own API offerings and technical capabilities to remain competitive. The API opening also benefited the broader AdTech ecosystem by enabling technology vendors, including DSPs, ad tech platforms, and marketing clouds, to integrate Walmart's retail media inventory into their platforms, creating new partnership opportunities and revenue streams. For advertisers, this development improved operational efficiency by allowing unified campaign management across multiple retail media networks through a single interface or platform, reducing the complexity and resource requirements of managing retail media campaigns. The launch reinforced the maturation of retail media as a channel, moving it from a nascent, manually-managed advertising opportunity to a sophisticated, programmatically-enabled channel comparable to traditional digital advertising platforms.