Enabled premium video publishers to maximize revenue through programmatic advertising while maintaining control over their inventory and brand safety across all screens including connected TV.
Last updated Feb 8, 2026
Leading independent video SSP prior to acquisition, particularly strong in CTV and premium video
SpotX was a leading global video advertising platform that provided programmatic advertising technology for premium video publishers and media owners. The company operated a supply-side platform (SSP) that enabled publishers to monetize their video content across connected TV (CTV), desktop, mobile, and other digital platforms by connecting them with demand-side platforms and advertisers. SpotX was known for its focus on premium video inventory and its strong presence in the emerging connected TV advertising market. Founded in 2007, SpotX grew to become one of the largest independent video SSPs before being acquired by Magnite (formerly Rubicon Project) in April 2021 for $1.17 billion. The acquisition created one of the largest independent CTV and video advertising platforms globally. SpotX's technology platform was particularly valued for its header bidding capabilities, real-time decisioning, and tools that gave publishers control over their video inventory while maximizing yield through programmatic auctions.
Core SSP platform for programmatic video advertising across all screens
Tools for publishers to manage and monetize video inventory
Solutions specifically designed for TV broadcasters and OTT platforms
Video header bidding technology to maximize publisher yield
Tools for creating and managing private marketplace deals