---
title: "What is the role of Protocol Buffers in gRPC and how is it different from JSON in REST?"  
description: "What is the role of Protocol Buffers in gRPC and how is it different from JSON in REST?"  
author: "Ravi Vishwakarma"  
published: 2025-11-18  
updated: 2025-11-18  
canonical: https://answers.mindstick.com/qa/116124/what-is-the-role-of-protocol-buffers-in-grpc-and-how-is-it-different-from-json-in-rest  
category: "technology"  
tags: ["tech", "api"]  

---

# What is the role of Protocol Buffers in gRPC and how is it different from JSON in REST?


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Original Source: https://answers.mindstick.com/qa/116124/what-is-the-role-of-protocol-buffers-in-grpc-and-how-is-it-different-from-json-in-rest

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