> ## 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.

# /2026-01/marketing-solutions/marketplace-performance-outcomes/sellers/{sellerId}

> Return details for the selected seller. For example,
            
    {
        "id" : "123456"
        "sellerName": "HBogart",
    }



## OpenAPI

````yaml https://api.criteo.com/2026-01/marketingsolutions/open-api-specifications.json get /2026-01/marketing-solutions/marketplace-performance-outcomes/sellers/{sellerId}
openapi: 3.0.1
info:
  title: Criteo API
  description: Criteo API - MarketingSolutions
  version: 2026-01
servers:
  - url: https://api.criteo.com
security:
  - oauth: []
tags:
  - name: Advertiser
  - name: Analytics
  - name: Audience
  - name: Campaign
  - name: Creative
  - name: Gateway
  - name: Reco
paths:
  /2026-01/marketing-solutions/marketplace-performance-outcomes/sellers/{sellerId}:
    get:
      tags:
        - Campaign
      summary: >-
        /2026-01/marketing-solutions/marketplace-performance-outcomes/sellers/{sellerId}
      description: "Return details for the selected seller. For example,\r\n            \r\n    {\r\n        \"id\" : \"123456\"\r\n        \"sellerName\": \"HBogart\",\r\n    }"
      operationId: GetMarketplaceSeller
      parameters:
        - name: sellerId
          in: path
          description: Id of the seller.
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SellerBase'
      security:
        - oauth:
            - MarketingSolutions_Campaign_Read
components:
  schemas:
    SellerBase:
      type: object
      properties:
        id:
          type: string
          description: Unique seller identifier
        sellerName:
          type: string
          description: Display name of the seller (merchant)
      description: >-
        The seller represents the merchant selling products on the advertiser's
        marketplace platform.
      example:
        id: '10656107'
        sellerName: AutoShop NYC
  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: {}

````