Adap.tv

Adap.tv, dubbing its service as "Powering Video Advertising", is an online video ad management platform and network. Their API has multi-screen capabilities so that you can monetize your video inventory across mobile, web, and IPTV platforms.

From the website, for publishers:

The Adap.tv OneSource online video ad management platform helps publishers make more money, more easily—and build successful online video businesses.

* Maximize Business Performance: Make smart decisions using real-time analytics and grow streams without compromising viewer experience
* Eliminate Complexity: Streamline ad operation workflows and use fine-grained control over every aspect of your video business
* Realize New Opportunities: Tap into the lucrative syndication market and let powerful ad serving features open doors to more revenue

From the website, for advertisers:

Adap.tv makes it simple for advertisers to achieve targeted, quality reach in the thriving world of online video. A single ad tag lets you connect with more than 300 publishers and run ads in any standard video format across multiple sites—without having to worry about integration complexity.

While we haven't had the opportunity to check them out, they seem to be worthy of a visit and further consideration.

Visit Adap.tv