You're comfortable working out of a code base. You've solved technical challenges before! But what happens when you have to reach for an API based tool? For many highly-technical engineers, public APIs are out of sight and out of mind. In this talk, we'll cover a range of mechanisms, from OAuth to Webhooks, that you're likely to encounter when building with a public API. You'll leave with a newfound understanding and appreciation of public APIs, ready to go forth and connect all of the things!