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

# /2025-10/marketing-solutions/marketplace-performance-outcomes/advertisers/{advertiserId}/ad-preview

> Get a preview of an HTML ad with products belonging to the provided seller
• <b>advertiserId</b>: Valid crp advertiserId, seller belongs to provided advertiser<br />
• <b>sellerId</b>: Products from given SellerId will fill the ad preview, must be existing crp sellerId<br />
• <b>height</b>: height may be supplied to request a specific ad preview height. Default height: 250<br />
• <b>width</b>: width may be supplied to request a specific ad preview width. Default width: 300<br />
            
Ad preview api calls are capped to 1000 per day per advertiser by default. Current usage, limit, and period can be found using v2/crp/advertisers/preview-limit



## OpenAPI

````yaml https://api.criteo.com/2025-10/marketingsolutions/open-api-specifications.json get /2025-10/marketing-solutions/marketplace-performance-outcomes/advertisers/{advertiserId}/ad-preview
openapi: 3.0.1
info:
  title: Criteo API
  description: Criteo API - MarketingSolutions
  version: 2025-10
servers:
  - url: https://api.criteo.com
security:
  - oauth: []
tags:
  - name: Advertiser
  - name: Analytics
  - name: Audience
  - name: Campaign
  - name: Creative
  - name: Gateway
  - name: Reco
paths:
  /2025-10/marketing-solutions/marketplace-performance-outcomes/advertisers/{advertiserId}/ad-preview:
    get:
      tags:
        - Campaign
      summary: >-
        /2025-10/marketing-solutions/marketplace-performance-outcomes/advertisers/{advertiserId}/ad-preview
      description: "Get a preview of an HTML ad with products belonging to the provided seller\r\n• <b>advertiserId</b>: Valid crp advertiserId, seller belongs to provided advertiser<br />\r\n• <b>sellerId</b>: Products from given SellerId will fill the ad preview, must be existing crp sellerId<br />\r\n• <b>height</b>: height may be supplied to request a specific ad preview height. Default height: 250<br />\r\n• <b>width</b>: width may be supplied to request a specific ad preview width. Default width: 300<br />\r\n            \r\nAd preview api calls are capped to 1000 per day per advertiser by default. Current usage, limit, and period can be found using v2/crp/advertisers/preview-limit"
      operationId: GetMarketplaceSellerAdPreview
      parameters:
        - name: advertiserId
          in: path
          description: Id of the advertiser
          required: true
          schema:
            type: string
            format: int32
        - name: campaignId
          in: query
          description: Seller CampaignId
          schema:
            type: integer
            format: int32
        - name: height
          in: query
          description: Height of the ad to display
          schema:
            type: integer
            format: int32
        - name: sellerId
          in: query
          description: Id of the seller
          required: true
          schema:
            type: integer
            format: int64
        - name: width
          in: query
          description: Width of the ad to display
          schema:
            type: integer
            format: int32
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: string
      security:
        - oauth:
            - MarketingSolutions_Campaign_Read
components:
  securitySchemes:
    oauth:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://api.criteo.com/oauth2/token
          scopes: {}
        authorizationCode:
          authorizationUrl: https://api.criteo.com/oauth2
          tokenUrl: https://api.criteo.com/oauth2/token
          scopes: {}

````