gRPC [Golang] Master Class Build Modern API and Microservices - What's a Unary API?

The video tutorial explains unary API calls in gRPC, focusing on their request-response nature. Unary RPCs are the most common API implementation, suitable for small data. The tutorial advises starting with unary calls before considering streaming APIs. It also covers defining unary calls using Protocol Buffers, including creating request and response messages and implementing a Greet service.

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