AsyncAPI
A specification for creating machine-readable definitions of asynchronous APIs, similar to OpenAPI for REST.
What is AsyncAPI?
AsyncAPI is an open-source specification that allows developers to create machine-readable definitions of asynchronous APIs. It solves the problem of inconsistent documentation and tooling for event-driven architectures by providing a standard way to describe APIs that use messaging protocols like MQTT, Kafka, or WebSockets. Think of it as OpenAPI (Swagger) but for asynchronous, event-driven communication instead of synchronous REST APIs.
API developers, architects, and technical writers working with event-driven systems, microservices, IoT platforms, or any application using message brokers and asynchronous communication patterns.
Developers choose AsyncAPI because it brings the same level of standardization, tooling, and developer experience to asynchronous APIs that OpenAPI brought to REST. Its protocol-agnostic design and growing ecosystem make it the de facto standard for documenting and working with event-driven architectures.
Overview
The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.
Use Cases
Best For
- Documenting Kafka-based microservices architectures
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