Secure your RESTful APIs with confidence and efficiency. This straightforward guide outlines the essential strategies and best practices for protecting sensitive data when developing RESTful APIs for your applications. Inside, you'll explore the fundamental functionalities to implement industry-standard authentication authorization mechanisms for Java applications. With chapters covering key security concerns, data protection, and designing and testing secure APIs, this book provides a hands-on approach to protecting user data, validating inputs, and implementing security mechanisms such as JSON Web Tokens (JWT) and OAuth2 authentication. This book offers a focused introduction without unnecessary complexity. Whether you are a beginner or busy professional, this is the only book designed to help you secure your RESTful APIs in no time. What You Will Learn Understand the fundamentals of RESTful APIs and why it is critical to secure them Identify common security risks concerning RESTful APIs and explore effective protection techniques Know how to design and test RESTful APIs, including with input and response data validation Review examples of how to secure JSON Web Token (JWT) and OAuth3 with RestFUL APIs Who This Book is For Web developer beginners who want to learn how to develop Security RESTful APIs applications