Textbook in PDF format Ever wanted to construct a robust and efficient API architecture that revolves around operations? This focused pocket guide takes you through that process step-by-step, providing you with the knowledge to build an operation-oriented API using the PHP programming with the Symfony framework. Practical PHP APIs with Symfony is designed to provide you with a comprehensive understanding of how to create a single API endpoint that embraces the concept of operations. We will utilize the robust features of Symfony to build an environment where operations are the focal point of our API design. This focused guide assumes a certain understanding of the Symfony framework and is not intended as an introductory text to the topic. With this in mind, we will cover essential Symfony topics such as dependency injection features, security authentication and background operations with Symfony Messenger, all with the aim to get you up and running with operation-oriented APIs as quickly and easily as possible. You Will Learn the principles of constructing an API architecture centered around operations Gain insights into the Symfony features that facilitate the development of operation-oriented APIs Learn how to create a single API endpoint that manages and executes various operations Explore essential Symfony topics, including dependency injection, security authentication, and the use of Symfony Messenger for background operations Develop skills to discover, manage, and execute operations within your APIs, using practical examples for better comprehension Preface CRUD API Endpoints and Operation-Oriented Endpoints Prerequisites Crafting Inputs, Outputs, and Operations Securing Operations Background Execution of API Operations Context-Specific Operations Testing the API Afterword