> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fourvenues.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get ticket upselling catalog

> Returns supplements available to purchase for upselling (same shape as ticket rate supplements, plus current_purchase_quantity and available_quantity) and the ticket option fees (fee_type, fee_quantity) applied to the upselling checkout.



## OpenAPI

````yaml get /tickets/{ticketId}/upselling
openapi: 3.0.0
info:
  title: Channel Manager API
  version: 0.2.0
  description: >-
    Official API documentation for Channel Manager. All endpoints are protected
    by an API key.
servers:
  - url: https://channels-service-alpha.fourvenues.com
    description: Test server
  - url: https://channels-service.fourvenues.com
    description: Production server
security: []
paths:
  /tickets/{ticketId}/upselling:
    get:
      tags:
        - Tickets
      summary: Get ticket upselling catalog
      description: >-
        Returns supplements available to purchase for upselling (same shape as
        ticket rate supplements, plus current_purchase_quantity and
        available_quantity) and the ticket option fees (fee_type, fee_quantity)
        applied to the upselling checkout.
      operationId: getTicketUpselling
      parameters:
        - name: ticketId
          in: path
          required: true
          description: Ticket id
          schema:
            type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/TicketUpsellingCatalog'
                  success:
                    type: boolean
                    example: true
        '400':
          description: Bad Request
        '401':
          description: Unauthorized
        '404':
          description: Not Found
      security:
        - ApiKey: []
components:
  schemas:
    TicketUpsellingCatalog:
      type: object
      properties:
        supplements:
          type: array
          items:
            $ref: '#/components/schemas/TicketUpsellingSupplementCatalogItem'
        fees:
          type: object
          properties:
            fee_type:
              type: string
              enum:
                - fixed
                - percentage
            fee_quantity:
              type: number
          required:
            - fee_type
            - fee_quantity
      required:
        - supplements
        - fees
      description: >-
        Upselling catalog for a ticket: the purchasable supplements plus the
        ticket's

        fee configuration.
    TicketUpsellingSupplementCatalogItem:
      type: object
      properties:
        _id:
          type: string
        label:
          type: string
        price:
          type: number
        has_fake_price:
          type: boolean
        fake_price:
          type: number
        description:
          type: string
        product_quantity:
          type: number
        redemption_deadline:
          type: object
          properties:
            is_expiration_enabled:
              type: boolean
            expiration_deadline:
              type: number
          required:
            - is_expiration_enabled
        service_charge_amount:
          type: number
        service_charge_type:
          type: string
        current_purchase_quantity:
          type: number
        available_quantity:
          type: number
          nullable: true
          description: >-
            Additional units the buyer may still purchase; `null` means
            unlimited.
      required:
        - _id
        - label
        - price
        - has_fake_price
        - fake_price
        - current_purchase_quantity
        - available_quantity
      description: >-
        Wire contracts for the ticket upselling endpoints

        (`getTicketUpselling` / `checkoutTicketUpselling`), AT THE LATEST
        VERSION.


        The `@openapi` tags emit these as component schemas; the
        mappers/controllers

        are the single source for the shapes below. A purchasable supplement in
        the upselling catalog (supplement public shape + availability).
  securitySchemes:
    ApiKey:
      in: header
      name: X-Api-Key
      type: apiKey

````