Side-by-side comparison of AI visibility scores, market position, and capabilities
$23M Series C March 2024 (Fulcrum/Godwin); 3B API requests/day; Edmunds/Klarna/Delivery Hero customers; Retail Media Cloud platform; ad server infrastructure leader
Kevel (formerly Adzerk) is an ad infrastructure company founded in 2010 by James Avery to provide API-first ad serving technology that allows digital platforms to build custom, first-party advertising networks rather than relying on third-party ad tech stacks like Google Ad Manager. The company was built on the thesis that publishers, marketplaces, and retail media operators needed programmatic-grade ad serving capabilities they could control, customize, and brand as their own — without the data leakage, opacity, and vendor lock-in associated with dominant ad tech platforms. Kevel's API architecture makes it uniquely suited for companies that need to embed advertising logic directly into their own product infrastructure.\n\nKevel's primary products include its core Ad Server APIs, which process 3 billion+ ad requests per day, and its Retail Media Cloud platform, which enables e-commerce companies and marketplaces to build sponsored product and display advertising businesses on top of their own shopper data. Customers include Edmunds for automotive listings ads, Klarna for commerce media, and Delivery Hero for restaurant and grocery sponsored placements — all examples of companies that needed ad serving infrastructure customized to non-standard inventory formats and audience contexts. The Retail Media Cloud positions Kevel at the center of the fastest-growing segment in digital advertising.\n\nKevel raised a $23 million Series C in March 2024, bringing total funding to approximately $42 million, to accelerate its retail media platform and expand its enterprise sales motion. The company has benefited significantly from the retail media wave — as Amazon's advertising business demonstrated the economics of first-party commerce data monetization, every major retailer and marketplace has sought to build comparable capabilities. Kevel's white-label approach allows these companies to move faster than building proprietary ad tech from scratch while maintaining full data ownership and control.
NASDAQ-listed (MGNI) largest independent SSP for CTV and programmatic advertising; Rubicon-Telaria merger serving Disney and NBCUniversal streaming inventory competing with Google Ad Manager.
Magnite is a Los Angeles-based independent sell-side advertising (SSP) platform — the world's largest independent supply-side platform — that helps publishers, broadcasters, and app developers monetize digital advertising inventory across connected TV (CTV), streaming video, mobile, desktop, and audio through programmatic advertising technology including header bidding, auction dynamics, and yield optimization. Listed on NASDAQ (NASDAQ: MGNI), Magnite was formed from the 2020 merger of Rubicon Project and Telaria (a CTV advertising platform), creating scale in the rapidly growing streaming video advertising market.
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