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Azure Relay documentation

Learn how Azure Relay service allows you to securely expose services that run in your corporate network to the public cloud.

About Azure Relay

Overview

  • What is Azure Relay?

Hybrid connections

Tutorial

  • Send and receive messages using WebSockets - .NET
  • Send and receive messages using HTTP - .NET
  • Send and receive messages using WebSockets - Node.js
  • Send and receive messages using HTTP - Node.js
  • Send and receive messages using WebSockets - Python

Download

  • Samples on GitHub

WCF Relay

Tutorial

  • Expose an on-premises WCF service to a web application in the cloud
  • Expose an on-premises WCF service to a WCF service outside your network
  • Expose an on-premises WCF REST service to a client outside your network

Download

  • Samples on GitHub

Learn modules

Training

  • Expose hybrid services securely with Azure Relay

Security

Concept

  • Authentication and authorization
  • Authenticate with managed identities (Preview)
  • Network security

API references

Reference

  • .NET
  • REST
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Your Privacy Choices
  • SH ICP Filing No. 13015306-25
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  • Microsoft Azure Operated by 21Vianet
  • © Microsoft 2025