API Design · Middle · Question 47 of 75

What does AsyncAPI describe?

1Async JavaScript functions
2Asynchronous REST endpoints only
✓Correct answer: Event-driven and message-based APIs (Kafka, MQTT, WebSockets): channels, messages and their schemas

Explanation

It's to message APIs what OpenAPI is to HTTP APIs: docs, code generation and contract checks.

Further reading

AsyncAPI: Documentation ↗

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