find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/microsoft-azure-notification-hubs-notifications-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
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