beginner~1h
API Documentation with OpenAPI / Swagger
A Kafka-backed REST API is still a REST API — clients need to discover and try it without reading your source code.
Learning objectives
- Beginner: Explain why a Kafka-backed service still needs OpenAPI/Swagger documentation like any other REST API.
- Intermediate: Add Swagger annotations to a producer's REST endpoints so its contract is discoverable without reading the source.
- Advanced: Keep generated API docs accurate as the producer's DTOs evolve, without manually maintaining a separate spec file.
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API Documentation with OpenAPI / Swagger