openapi: 3.1.0
info:
  title: Microsoft Azure Cognitive Services Accounts Applications API
  description: APIs for vision, speech, language, and decision-making AI capabilities including Computer Vision, Text Analytics, and Translator services.
  version: '3.2'
  contact:
    name: Microsoft Azure Support
    url: https://azure.microsoft.com/en-us/support/
  termsOfService: https://www.microsoft.com/en-us/legal/terms-of-use
servers:
- url: https://{region}.api.cognitive.microsoft.com
  description: Azure Cognitive Services Regional Endpoint
  variables:
    region:
      default: eastus
      description: Azure region for the Cognitive Services resource
security:
- apiKey: []
tags:
- name: Applications
  description: Manage application registrations
paths:
  /applications:
    get:
      operationId: listApplications
      summary: Microsoft List applications
      description: Get the list of applications in the organization.
      tags:
      - Applications
      parameters:
      - $ref: '#/components/parameters/select'
      - $ref: '#/components/parameters/filter'
      - $ref: '#/components/parameters/top'
      responses:
        '200':
          description: List of applications
          content:
            application/json:
              schema:
                type: object
                properties:
                  '@odata.context':
                    type: string
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/Application'
        '401':
          description: Unauthorized
    post:
      operationId: createApplication
      summary: Microsoft Create an application
      description: Create a new application registration.
      tags:
      - Applications
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateApplicationRequest'
      responses:
        '201':
          description: Application created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Application'
        '400':
          description: Invalid request
        '401':
          description: Unauthorized
  /applications/{applicationId}:
    get:
      operationId: getApplication
      summary: Microsoft Get an application
      description: Get the properties of an application object.
      tags:
      - Applications
      parameters:
      - name: applicationId
        in: path
        required: true
        description: Application object ID
        schema:
          type: string
      - $ref: '#/components/parameters/select'
      responses:
        '200':
          description: Application details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Application'
        '401':
          description: Unauthorized
        '404':
          description: Application not found
    patch:
      operationId: updateApplication
      summary: Microsoft Update an application
      description: Update the properties of an application object.
      tags:
      - Applications
      parameters:
      - name: applicationId
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateApplicationRequest'
      responses:
        '204':
          description: Application updated
        '401':
          description: Unauthorized
    delete:
      operationId: deleteApplication
      summary: Microsoft Delete an application
      description: Delete an application registration.
      tags:
      - Applications
      parameters:
      - name: applicationId
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Application deleted
        '401':
          description: Unauthorized
  /applications/{application-id}:
    get:
      operationId: getApplication
      summary: Microsoft Get application
      description: Get the properties and relationships of an application object.
      tags:
      - Applications
      parameters:
      - $ref: '#/components/parameters/applicationId'
      - $ref: '#/components/parameters/select_2'
      responses:
        '200':
          description: Application object
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Application_2'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateApplication
      summary: Microsoft Update application
      description: Update the properties of an application object.
      tags:
      - Applications
      parameters:
      - $ref: '#/components/parameters/applicationId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Application_2'
      responses:
        '204':
          description: Application updated successfully
    delete:
      operationId: deleteApplication
      summary: Microsoft Delete application
      description: Delete an application object. When deleted, apps are moved to a temporary container and can be restored within 30 days.
      tags:
      - Applications
      parameters:
      - $ref: '#/components/parameters/applicationId'
      responses:
        '204':
          description: Application deleted successfully
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    Application_2:
      type: object
      properties:
        id:
          type: string
          description: Unique identifier (object ID)
          readOnly: true
        appId:
          type: string
          description: Unique application ID (client ID) assigned by Microsoft Entra ID
          readOnly: true
        displayName:
          type: string
          description: Display name of the application
        description:
          type: string
          description: Free text description of the application
        signInAudience:
          type: string
          enum:
          - AzureADMyOrg
          - AzureADMultipleOrgs
          - AzureADandPersonalMicrosoftAccount
          - PersonalMicrosoftAccount
          description: Specifies the Microsoft accounts that are supported
        identifierUris:
          type: array
          items:
            type: string
          description: URIs that identify the application within its Microsoft Entra tenant
        web:
          type: object
          properties:
            redirectUris:
              type: array
              items:
                type: string
              description: Redirect URIs for the application
            homePageUrl:
              type: string
              format: uri
              description: Home page or landing page of the application
        api:
          type: object
          properties:
            requestedAccessTokenVersion:
              type: integer
              description: Specifies the access token version (1 or 2)
            oauth2PermissionScopes:
              type: array
              items:
                type: object
                properties:
                  id:
                    type: string
                  value:
                    type: string
                  type:
                    type: string
                  adminConsentDisplayName:
                    type: string
                  adminConsentDescription:
                    type: string
        requiredResourceAccess:
          type: array
          items:
            type: object
            properties:
              resourceAppId:
                type: string
              resourceAccess:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: string
                    type:
                      type: string
                      enum:
                      - Scope
                      - Role
        createdDateTime:
          type: string
          format: date-time
          readOnly: true
        tags:
          type: array
          items:
            type: string
          description: Custom strings for categorizing the application
    CreateApplicationRequest:
      type: object
      required:
      - displayName
      properties:
        displayName:
          type: string
        description:
          type: string
        signInAudience:
          type: string
          enum:
          - AzureADMyOrg
          - AzureADMultipleOrgs
          - AzureADandPersonalMicrosoftAccount
        web:
          type: object
          properties:
            redirectUris:
              type: array
              items:
                type: string
    ODataError:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: Error code
            message:
              type: string
              description: Human-readable error message
            innerError:
              type: object
              properties:
                date:
                  type: string
                  format: date-time
                request-id:
                  type: string
                client-request-id:
                  type: string
    Application:
      type: object
      properties:
        id:
          type: string
          description: Object ID of the application
        appId:
          type: string
          description: Application (client) ID
        displayName:
          type: string
          description: Display name of the application
        description:
          type: string
        signInAudience:
          type: string
          enum:
          - AzureADMyOrg
          - AzureADMultipleOrgs
          - AzureADandPersonalMicrosoftAccount
          - PersonalMicrosoftAccount
        web:
          type: object
          properties:
            redirectUris:
              type: array
              items:
                type: string
            homePageUrl:
              type: string
        api:
          type: object
          properties:
            oauth2PermissionScopes:
              type: array
              items:
                type: object
                properties:
                  id:
                    type: string
                  value:
                    type: string
                  type:
                    type: string
                  adminConsentDisplayName:
                    type: string
                  userConsentDisplayName:
                    type: string
        requiredResourceAccess:
          type: array
          items:
            type: object
            properties:
              resourceAppId:
                type: string
              resourceAccess:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: string
                    type:
                      type: string
                      enum:
                      - Role
                      - Scope
        createdDateTime:
          type: string
          format: date-time
  parameters:
    filter:
      name: $filter
      in: query
      description: OData filter expression
      schema:
        type: string
    select_2:
      name: $select
      in: query
      required: false
      description: Comma-separated list of properties to include in the response
      schema:
        type: string
    applicationId:
      name: application-id
      in: path
      required: true
      description: Unique identifier of the application
      schema:
        type: string
    select:
      name: $select
      in: query
      description: Properties to include
      schema:
        type: string
    top:
      name: $top
      in: query
      description: Maximum number of items
      schema:
        type: integer
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ODataError'
  securitySchemes:
    apiKey:
      type: apiKey
      name: Ocp-Apim-Subscription-Key
      in: header
      description: Azure Cognitive Services subscription key
externalDocs:
  description: Azure AI Services Documentation
  url: https://learn.microsoft.com/en-us/azure/ai-services/