# Get collection catalog

Get collection catalog, including all categories and articles

Endpoint: GET /beta/knowledge/collections/{collectionId}/catalog
Version: beta
Security: ApiKeyAuth

## Path parameters:

  - `collectionId` (string, required)

## Query parameters:

  - `language` (string)
    Language in which the article translations will be returned. If not provided, the default language will be used.

## Response 200 fields (application/json):

  - `data` (object, required)

  - `data.categories` (array)

  - `data.categories.id` (string, required)

  - `data.categories.title` (object)

  - `data.categories.title.languageId` (string, required)

  - `data.categories.articles` (array)

## Response 400 fields (application/json):

  - `message` (string, required)

## Response 404 fields (application/json):

  - `message` (string, required)

## Response 500 fields (application/json):

  - `message` (string, required)