One can document a REST API with OpenAPI. Is there a similarly clean and standardized way of documenting gRPC APIs? E.g. specify what values an endpoint is expecting, what the return values mean, etc. The service definitions in a .proto file do not suffice as documentation.
Documenting a gRPC API
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I just found this: https://gendocu.com/ which let you try your APIs and document the fields. Also generates code for different languages. The project looks promising.
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