Just because APIs are important for mobile apps, business agility, and open, dynamic ecosystems doesn't mean they are easy to sell to executives. A big part of the difficulty is that, in many cases, the value that APIs create is downstream, not in today's solution delivery. It's a challenge for AD&D pros to communicate to executives where and when the organization will get its money back from its API investments. This report provides a toolkit of best practices from which AD&D leaders can choose tools to construct the right story and justification for each specific executive.