Introduction

APIs are becoming increasingly popular for exposing business functionalities to the rest of the world. According to an infographic published by Layer 7, 86.5% of organizations will have an API program in place in the next five years. Of those, 43.2% already have one. APIs are also the foundation of building communication channels in the Internet of Things (IoT). From motor vehicles to kitchen appliances, countless items are beginning to communicate with each other via APIs. Cisco estimates that as many as 50 billion devices could be connected to the Internet by 2020.

This book is about securing your most important APIs. As is the case with any software system design, people tend to ignore the security element during the API design ...

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