From the course: Building and Securing RESTful APIs in ASP.NET Core

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Serialize exceptions as JSON

Serialize exceptions as JSON - ASP.NET Core Tutorial

From the course: Building and Securing RESTful APIs in ASP.NET Core

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Serialize exceptions as JSON

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- [Instructor] ASP.NET core returns http 500 if an unhandled exception occurs in your API. This is the right status code to return but it also returns this html document which feels a little weird for a JSON on API. We can improve this behavior by creating an exception filter that will catch any unhandled exception and send the error message back to the client as a nicely formatted JSON response. To do this, let's make a class that represents the error message body. I'll create a folder here called Models. And then I'll create a model called ApiError. We just need a few properties here. We'll say we have a string property called Message and another string called Detail. Now we'll make a folder called Filters. And create a filter called JsonExceptionFilter. A filter is a chunk of code that runs before or after ASP.Net core processes a request. Filters that handle errors and exceptions are called exception filters. And there's a special interface we can implement here called…

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