API vs. SDK: What is the Difference?

What is an API? What is an SDK? How are they related and enable users to streamline their cloud application development workflows?

In this lightboard video, Nathan Hekman with IBM Cloud, answers these questions and much more while providing a real life scenario which explains the difference and similarities, and ultimately how the two technologies can work together to allow you to spend less time connecting/configuring a cloud service, and more time coding and actually using the service in your app.