content-type

How to set the Content-Type header in Postman

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When you want to use Postman to send a request with content in the Body, you have to first select a content type option (none, form-data, etc…). When you select the type and add content, Postman automatically generates the Content-Type header. You can see the auto-generated Content-Type header in the Headers tab. The following table … Read more

C# – How to read problem details JSON with HttpClient

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Problem details (RFC7807) is a standardized error response format that has a Content-Type of application/problem+json, an error response code (i.e. 400 – Bad Request), and has a response body that looks like this: This can be extended to include any number of properties. The example shown above comes from the default way ASP.NET Core returns … Read more

ASP.NET – Async SSE endpoint

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Server-Sent Events (SSE) allow a client to subscribe to messages on a server. The server pushes new messages to the client as they happen. This is an alternative to the client polling the server for new messages. In this article I’ll show how to implement the messaging system shown in the diagram below. This uses … Read more