Khalid Abuhakmeh • 4/22/2025

Server-Sent Events in ASP.NET Core and .NET 10

This technical article explores the new Server-Sent Events (SSE) support in ASP.NET Core Minimal APIs for .NET 10. It explains the concept of SSE as a unidirectional real-time communication channel, contrasts it with SignalR and WebSockets, and provides a step-by-step tutorial. The guide includes code examples for creating an SSE endpoint using `ServerSentEventsResult`, implementing an `IAsyncEnumerable` data source, and synchronizing clients with a background service.

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#real-time #Server Sent Events #Aspnet Core