JSON (JavaScript object notation) will return data from an API in a structured format that allows you to manipulate the data and send it to other nodes.

An application programming interface (API) defines the correct way for a developer to request services from an operating system (OS) or other application and expose data within different contexts ...

This article presents a discussion of how we can return data in ASP.NET Core Web API using each of those types, with relevant code examples in C#.

An application programming interface, or API, is a "go-between" that enables a software program to interact with other software.