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200-301 · Question #1408

Which protocol does a REST API use to communicate?

The correct answer is D. HTTP. REST APIs primarily rely on the Hypertext Transfer Protocol (HTTP) for communication between client and server.

Submitted by hassan_iq· Mar 5, 2026

Question

Which protocol does a REST API use to communicate?

Options

  • ASSH
  • BSTP
  • CSNMP
  • DHTTP

How the community answered

(33 responses)
  • A
    3% (1)
  • B
    3% (1)
  • D
    94% (31)

Why each option

REST APIs primarily rely on the Hypertext Transfer Protocol (HTTP) for communication between client and server.

ASSH

SSH (Secure Shell) is used for secure remote access and command execution, not typically for RESTful API communication.

BSTP

STP (Spanning Tree Protocol) is a Layer 2 protocol used to prevent loops in Ethernet networks, unrelated to API communication.

CSNMP

SNMP (Simple Network Management Protocol) is used for monitoring and managing network devices, not for general-purpose API interaction.

DHTTPCorrect

REST (Representational State Transfer) is an architectural style for networked applications that almost exclusively uses HTTP methods (like GET, POST, PUT, DELETE) to perform operations on resources, making HTTP the underlying communication protocol.

Concept tested: REST API communication protocol

Source: https://developer.mozilla.org/en-US/docs/Glossary/REST

Topics

#REST API#HTTP protocol

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