SpotX is the trusted video advertising platform offering premium publishers holistic inventory management in order to maximize revenue for desktop, mobile and connected TV inventory while driving down operational costs. Publishers leverage SpotX’s ad serving, programmatic technology, and private marketplace capabilities to operate effectively in an increasingly complex digital ecosystem while gaining unprecedented transparency, insight and control over the buying behavior of today’s leading brands. Over 5 billion video ad decisions are processed through the SpotX platform daily, with ads delivered to 600+ million people in over 190 countries per month. SpotX is headquartered north of Denver, and is consistently the top comScore video property for video ads served.

Supported brand formats

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FormatSizesFeaturesChannelDevice
3D BoxRTB
300x250 HTML5, 3D Box, Horizontal Axis RTB
3D Box LeaderRTB
980x120 HTML5, 3D Box, Vertical Axis RTB
IAB FilmstripRTB
300x600 HTML5, IAB, Video RTB
In-StreamRTB
640x360 HTML5, VPAID, Video RTB
640x480 HTML5, Autoplay, In-Stream, Pre-Roll, VAST, Video RTB
InViewRTB
480x400 HTML5, Image, Inview RTB
MRAID 3D CubeRTB
300x250 Dynamic HTML, Pentagon, Slice Box, Store Locator, Video RTB
MRAID StandardRTB
320x50 Call, Dynamic Content, Gyro Shake, Gyro Tilt, Out-Stream, Product Explorer, Slider, Store Locator, Video RTB
Roll for VideoRTB
300x250 HTML5, Countdown, On Rollover, Video RTB
StandardRTB
300x250 HTML5 RTB