Azure Service Bus
Azure Service Bus is a fully managed enterprise message broker with message queues and publish-subscribe topics. It decouples applications and services from each other, providing reliable asynchronous message delivery, ordered messaging, dead-lettering, and session support for complex integration workflows.
Documentation
Other Resources
Reference
https://learn.microsoft.com/en-us/rest/api/servicebus/
Getting Started
https://learn.microsoft.com/en-us/azure/service-bus-messaging/service-bus-quickstart-portal
Pricing
https://azure.microsoft.com/en-us/pricing/details/service-bus/
Client Libraries
https://learn.microsoft.com/en-us/azure/service-bus-messaging/service-bus-messaging-overview#client-libraries