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title: Azure Service Bus and C# - an introduction | daily.dev
description: An introductory walkthrough of Azure Service Bus, covering what message queues are and why they help decouple microservices compared to direct HTTP calls. It...
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# Azure Service Bus and C# - an introduction

**[Code4IT](https://daily.dev/sources/code4it)** · 12 min read · 0 upvotes · 0 comments

## Summary

An introductory walkthrough of Azure Service Bus, covering what message queues are and why they help decouple microservices compared to direct HTTP calls. It explains how to create a Service Bus instance and queue in the Azure portal, the three pricing tiers (Basic, Standard, Premium), and how connection strings and shared access policies work. Includes a hands-on example using .NET 5 and C# with the Azure.Messaging.ServiceBus NuGet package, showing how to send pizza order messages with ServiceBusSender and receive/process them with ServiceBusProcessor, plus a mention of the open-source ServiceBusExplorer tool for inspecting queue contents.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.code4it.dev/blog/azure-service-bus-introduction>

## Questions this post answers

### How do I send a message to an Azure Service Bus queue using C# and .NET 5?

Create a ServiceBusClient with your connection string, then call client.CreateSender(queueName) to get a ServiceBusSender. Serialize your object (for example to JSON with JsonSerializer.Serialize), wrap it in a new ServiceBusMessage, and call sender.SendMessageAsync(message). The client should be disposed after use via an await using block.

_daily.dev surfaces practical walkthroughs like this for developers wiring up Service Bus messaging in C#._

### How do I receive and process messages from an Azure Service Bus queue in C#?

Create a ServiceBusClient and call CreateProcessor(queueName) to get a ServiceBusProcessor, then register handlers via ProcessMessageAsync and ProcessErrorAsync events (the error handler must be declared even if empty, or an exception is thrown). Read the body with args.Message.Body.ToString(), then call args.CompleteMessageAsync(args.Message) to remove it from the queue. Finally, call StartProcessingAsync to begin receiving.

_developers building message consumers can find more Service Bus patterns like this through daily.dev._

### What are the pricing tier differences for Azure Service Bus?

Azure Service Bus offers three tiers: Basic, priced per message sent (around $0.05 per million messages) and supporting only queues; Standard, which adds support for both queues and topics at a similar base cost; and Premium, which is zone-redundant, supports queues and topics, and costs significantly more.

_teams comparing messaging costs can track Azure Service Bus pricing details via daily.dev._

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---

Tags: [#architecture](https://daily.dev/tags/architecture), [#azure](https://daily.dev/tags/azure), [#.net](https://daily.dev/tags/.net), [#microservices](https://daily.dev/tags/microservices), [#c#](https://daily.dev/tags/c#)

[View this post on daily.dev](https://daily.dev/posts/azure-service-bus-and-c---an-introduction-ph6tgtwf4)

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