> ## Documentation Index
> Fetch the complete documentation index at: https://api-doc.xmenu.it/llms.txt
> Use this file to discover all available pages before exploring further.

# Send notification

> Sends a previously created push notification to all registered devices. The delivery occurs asynchronously after a successful API response. If the notification was created with a subrestaurant filter, it will only be sent to users of that location.

<Badge color="blue" icon="key">`write:push_notifications`</Badge>


## OpenAPI

````yaml openapi-en.json POST /push_notifications/send
openapi: 3.1.0
info:
  title: xMenu API
  description: xMenu Public API - REST endpoints and webhook notifications
  version: 1.0.0
servers:
  - url: https://app.xmenu.it/api
    description: xMenu API Production
security: []
paths:
  /push_notifications/send:
    post:
      tags:
        - Push Notifications
      summary: Send notification
      description: >-
        Sends a previously created push notification to all registered devices.
        The delivery occurs asynchronously after a successful API response. If
        the notification was created with a subrestaurant filter, it will only
        be sent to users of that location.
      operationId: pushNotificationSend
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - uid
              properties:
                uid:
                  type: string
                  description: >-
                    Unique identifier of the notification to send (obtained from
                    the creation endpoint)
      responses:
        '200':
          description: Operation response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PushNotificationSendResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
      security:
        - clientId: []
          clientSecret: []
        - oauth2: []
components:
  schemas:
    PushNotificationSendResponse:
      type: object
      required:
        - success
      properties:
        success:
          type: boolean
          description: >-
            Operation result: `true` if successful, `false` if failed. Device
            delivery occurs asynchronously after a successful response.
        error:
          type: string
          description: >-
            Error code if the operation failed. Possible values:

            - `NOTIFICATION_NOT_FOUND` = Notification not found or expired


            See [Error codes](/docs/en/overview/error-codes) for general error
            codes that may also occur.
        message:
          type: string
          description: Human-readable error description if the operation failed
  responses:
    Unauthorized:
      description: Authentication failed.
      content:
        application/json:
          schema:
            oneOf:
              - type: object
                description: >-
                  Standard error format (when using API Key or Client ID/Secret
                  authentication)
                required:
                  - success
                  - error
                properties:
                  success:
                    type: boolean
                    enum:
                      - false
                    description: Always false for errors
                  error:
                    type: string
                    enum:
                      - RESTAURANT_NOT_FOUND
                      - INVALID_KEY
                      - INVALID_AUTH
                    description: Error code
                  message:
                    type: string
                    description: Human-readable error description
              - type: object
                description: OAuth error format (when using Bearer token authentication)
                required:
                  - error
                properties:
                  error:
                    type: string
                    enum:
                      - invalid_token
                      - invalid_request
                    description: OAuth error code (RFC 6749)
                  error_description:
                    type: string
                    description: Human-readable error description
          examples:
            standard:
              summary: Standard error format (API Key / Client ID+Secret)
              value:
                success: false
                error: INVALID_KEY
                message: The provided API key is not valid
            oauth:
              summary: OAuth error format (Bearer token)
              value:
                error: invalid_token
                error_description: Access token is invalid or expired
    Forbidden:
      description: Authorization failed - insufficient permissions or access denied.
      content:
        application/json:
          schema:
            oneOf:
              - type: object
                description: >-
                  Standard error format (when using API Key or Client ID/Secret
                  authentication)
                required:
                  - success
                  - error
                properties:
                  success:
                    type: boolean
                    enum:
                      - false
                    description: Always false for errors
                  error:
                    type: string
                    enum:
                      - API_DISABLED
                      - INSUFFICIENT_SCOPE
                      - UNAUTHORIZED
                    description: Error code
                  message:
                    type: string
                    description: Human-readable error description
              - type: object
                description: OAuth error format (when using Bearer token authentication)
                required:
                  - error
                properties:
                  error:
                    type: string
                    enum:
                      - insufficient_scope
                      - invalid_request
                    description: OAuth error code (RFC 6749)
                  error_description:
                    type: string
                    description: Human-readable error description
          examples:
            standard:
              summary: Standard error format (API Key / Client ID+Secret)
              value:
                success: false
                error: API_DISABLED
                message: API access is not enabled for the restaurant
            oauth:
              summary: OAuth error format (Bearer token)
              value:
                error: insufficient_scope
                error_description: 'Missing required permissions: write:orders'
  securitySchemes:
    clientId:
      type: apiKey
      in: header
      name: X-Client-Id
      description: >-
        Client ID for API Client authentication (must be used together with
        Client Secret)
    clientSecret:
      type: apiKey
      in: header
      name: X-Client-Secret
      description: >-
        Client Secret for API Client authentication (must be used together with
        Client ID)
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://app.xmenu.it/oauth/token
          scopes: {}
      description: >-
        OAuth 2.0 authentication using client credentials flow. The access token
        must be included in the Authorization header as a Bearer token.

````