---
title: "/2026-01/retail-media/categories"
method: GET
path: "/2026-01/retail-media/categories"
tags: ["Campaign"]
---

# /2026-01/retail-media/categories

`GET /2026-01/retail-media/categories`

## Request

- Base URL: `https://api.criteo.com`
- URL: `https://api.criteo.com/2026-01/retail-media/categories`
- Auth: OAuth 2
  - Authorization code: `https://api.criteo.com/oauth2`
  - Client credentials
  - Token URL: `https://api.criteo.com/oauth2/token` scopes: `RetailMedia_Campaign_Read`
- TypeScript: <https://skmtc.dev/criteo/apis/criteo-api/docs/2026-01/retail-media/categories/get.ts> (a function with typed inputs; its response is checked against the schema)

Endpoint to search categories by text and retailer.

## Query parameters

- `pageIndex` integer
- `pageSize` integer
- `retailerId` integer
- `textSubstring` string

## Response `200`

Categories found.

- Category202204ListResponse: A top-level object that encapsulates a Criteo API response for several entities.
  - `data` ResourceOfCategory202204[], nullable
    - `attributes` Category202204, nullable: List of retailer's categories, including the full hierarchy of categories and their parent category ID
      - `name` string, required: Category Name
      - `parentId` string, required: Category ParentId
      - `text` string, required: Category Text
    - `id` string, nullable: Unique identifier of this resource.
    - `type` string, nullable
  - `errors` CommonProblem[], nullable
    - `code` string, nullable: A machine-readable error code, expressed as a string value.
    - `detail` string, nullable: A human-readable explanation specific to this occurrence of the problem
    - `instance` string, nullable: A URI that identifies the specific occurrence of the problem.
    - `source` object, nullable: A machine-readable structure to reference to the exact location(s) causing the error(s)
    - `stackTrace` string, nullable
    - `title` string, nullable: A short human-readable description of the problem type
    - `traceId` string, nullable: The request correlation ID this problem comes from.
    - `traceIdentifier` string, nullable: The request correlation ID this problem comes from. (deprecated, use traceId instead)
    - `type` 'unknown' | 'access-control' | 'authentication' | 'authorization' | 'availability' | 'deprecation' | 'quota' | 'validation', nullable: The problem's category.
  - `warnings` CommonProblem[], nullable
    - `code` string, nullable: A machine-readable error code, expressed as a string value.
    - `detail` string, nullable: A human-readable explanation specific to this occurrence of the problem
    - `instance` string, nullable: A URI that identifies the specific occurrence of the problem.
    - `source` object, nullable: A machine-readable structure to reference to the exact location(s) causing the error(s)
    - `stackTrace` string, nullable
    - `title` string, nullable: A short human-readable description of the problem type
    - `traceId` string, nullable: The request correlation ID this problem comes from.
    - `traceIdentifier` string, nullable: The request correlation ID this problem comes from. (deprecated, use traceId instead)
    - `type` 'unknown' | 'access-control' | 'authentication' | 'authorization' | 'availability' | 'deprecation' | 'quota' | 'validation', nullable: The problem's category.

---

[API](https://skmtc.dev/criteo/apis/criteo-api.md) - [All operations](https://skmtc.dev/criteo/apis/criteo-api/llms.txt) - [OpenAPI document](https://skmtc.dev/criteo/apis/criteo-api/revisions/c1721589426a?raw)
