Microsoft Azure Service Bus is a reliable, fully managed Cloud service for delivering messages via queues or topics. It has a free and paid tier. - Source: dev.to / about 1 year ago

Our team uses Azure as our cloud provider to manage all those resources. Every service uses different resources related to the business logic they handle. We use resources like Azure Service Bus to handle the asynchronous communication between them and Azure Key Vault to store the secrets and environment variables. - Source: dev.to / about 3 years ago

For event infrastructure, we have a bunch of options, like Azure Service Bus, Azure Event Grid and Azure Event Hubs. Like the databases, they aren't mutually exclusive and I could use all, depending on the circumstance, but to keep things simple, I'll pick one and move on. Right now I'm more inclined towards Event Hubs, as it works similarly to Apache Kafka, which is a good fit for the presentation context. - Source: dev.to / over 3 years ago

Also have a look at cloudkarafka.com cheaper and prices includes support which can be handly if you are new to the space. Source: about 1 year ago