Azure Web PubSub
Azure Web PubSub is a fully-managed service that enables building real-time, two-way messaging applications using publish-subscribe patterns over WebSockets. It supports broadcasting messages to clients in groups, sending messages to specific connections or users, and integrating with serverless event handlers for scalable real-time experiences.
APIs
Azure Web PubSub Service REST API
Data plane REST API for sending messages to connections, groups, and users on a Web PubSub service instance. Supports broadcast operations, targeted message delivery, and managi...
Azure Web PubSub Client and Upstream Events
AsyncAPI 2.6 description of the Azure Web PubSub client WebSocket subprotocols (json.webpubsub.azure.v1 and json.reliable.webpubsub.azure.v1) and the CloudEvents 1.0 HTTP upstre...
Azure Web PubSub Management REST API
Control plane REST API for provisioning and managing Azure Web PubSub service instances. Supports creating, scaling, configuring, regenerating access keys, and deleting Web PubS...
Azure Web PubSub Hubs REST API
REST API for managing hub configurations within a Web PubSub instance. Hubs provide logical isolation for messaging and allow per-hub configuration of event handlers, anonymous ...
Azure Web PubSub for Socket.IO REST API
REST API for managing Azure Web PubSub for Socket.IO instances. Provides a fully managed Socket.IO server replacement that allows existing Socket.IO applications to scale to mil...
Azure Web PubSub Private Endpoint Connections REST API
REST API for managing private endpoint connections to a Web PubSub service instance. Enables secure, private connectivity from virtual networks to Web PubSub through Azure Priva...
Azure Web PubSub Shared Private Link Resources REST API
REST API for managing shared private link resources for a Web PubSub service. Enables outbound private connectivity from Web PubSub to other Azure resources such as Key Vault an...
Collections
Arazzo Workflows
Azure Web PubSub Check then Close Connection
Verify a connection exists before closing it, branching on whether it is present.
ARAZZOAzure Web PubSub Direct Connection Message
Confirm a connection exists, then send a targeted message to just that connection.
ARAZZOAzure Web PubSub Grant Permission then Send to User
Grant a connection a group permission, then deliver a message to that user.
ARAZZOAzure Web PubSub Grant Permission if Missing
Check whether a connection already holds a permission, granting it only when absent.
ARAZZOAzure Web PubSub Broadcast to Group if Active
Only broadcast to a group when it currently has connected members.
ARAZZOAzure Web PubSub Warn Group and Tear Down
Broadcast a final warning to a group, then close every connection in that group.
ARAZZOAzure Web PubSub Join Group, Send, then Leave
Add a connection to a group, broadcast a message to that group, then remove the connection.
ARAZZOAzure Web PubSub Notify User if Online
Send a user a message only when they currently have at least one live connection.
ARAZZOAzure Web PubSub Provision Client and Join Group
Mint a client token, add the connection to a group, and announce the join to that group.
ARAZZOAzure Web PubSub Revoke Permission and Evict Connection
Revoke a connection's group permission, then forcibly close that connection.
ARAZZOAzure Web PubSub Generate Token then Broadcast
Mint a client access token for a hub and immediately broadcast a message to every connection.
ARAZZOAzure Web PubSub Onboard User to Group
Add a user to a group and welcome them with a targeted message in one flow.
ARAZZOPricing Plans
Rate Limits
FinOps
Event Specifications
Azure Web PubSub
Azure Web PubSub is a fully managed real-time messaging service from Microsoft Azure that lets clients exchange publish/subscribe messages over WebSockets without operating WebS...
ASYNCAPI