gRPC vs. REST
Blog post from Postman
An API, or Application Programming Interface, is a crucial set of rules allowing software components to interact, underpinning all modern applications. Two prominent architectural styles for APIs are REST and gRPC, each with distinct advantages and use cases. REST, known for its simplicity and resource-based communication using JSON or XML over HTTP, is the most popular API style, thanks to its ease of use and wide compatibility, making it ideal for public APIs. In contrast, gRPC, developed by Google, is a high-performance RPC framework utilizing Protocol Buffers and HTTP/2, enabling efficient, language-agnostic communication in distributed systems. It supports advanced streaming patterns and binary data serialization, making it well-suited for microservices and applications requiring low latency and high throughput, like real-time chat and video. While both REST and gRPC share foundational similarities such as statelessness and client-server architecture, their differences in data format, communication patterns, and design principles guide developers in choosing the appropriate style based on specific project needs.
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