I'm trying to learn about web APIs and was wondering if you could help me with a simple one to retrieve information about an online image. An example URL could be
How could I build a RESTful API which accepts the image url as a parameter and retrieve information about the image must be retrieved responding in JSON format. Is it also possible to create a web client to call the API. It only needs a single page to accept input for the url, a button to call the API, and an area to display the response.
I'm using C# within Visual Studio 2017 community edition.