Many ad tech vendors still don't offer comprehensive APIs. At Beeswax we built our API first, and everything we do is built on top. Our Buzz REST API allows your team to customize workflow, dashboards or anything else in our system.
Stinger, our proprietary bidder, allows you to write your own algorithms, add your own targeting, and manage huge numbers of campaigns and line items. And you never need to worry about the basics: frequency caps, budgeting, targeting, or any of the other basics of running a bidder.