openapi: 3.1.0
info:
  title: Azure Notification Hubs REST Installations Notifications API
  description: Azure Notification Hubs REST API enables push notification delivery to Apple, Google, Windows, and Amazon devices. Operations include sending notifications, managing registrations, and installations.
  version: 2020-06
servers:
- url: https://{namespace}.servicebus.windows.net
  variables:
    namespace:
      default: mynamespace
security:
- sasToken: []
tags:
- name: Notifications
paths:
  /{hub}/messages:
    parameters:
    - name: hub
      in: path
      required: true
      schema:
        type: string
    post:
      operationId: sendNotification
      summary: NH Send notification
      description: Sends a push notification to all registrations or via tag expression.
      tags:
      - Notifications
      parameters:
      - name: ServiceBusNotification-Format
        in: header
        required: true
        schema:
          type: string
      - name: ServiceBusNotification-Tags
        in: header
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      responses:
        '201':
          description: Notification queued
components:
  securitySchemes:
    sasToken:
      type: apiKey
      in: header
      name: Authorization
externalDocs:
  description: Azure Notification Hubs REST API Documentation
  url: https://learn.microsoft.com/en-us/rest/api/notificationhubs/
x-generated-from: https://learn.microsoft.com/en-us/rest/api/notificationhubs/
x-generated-by: claude-crawl-2026-05-08