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

# Get Dataset Data

> Get all data items in a dataset.

This endpoint retrieves all data items (documents, files, etc.) that belong
to a specific dataset. Each data item includes metadata such as name, type,
creation time, and storage location.

## Path Parameters
- **dataset_id** (UUID): The unique identifier of the dataset

## Response
Returns a list of data objects containing:
- **id**: Unique data item identifier
- **name**: Data item name
- **created_at**: When the data was added
- **updated_at**: When the data was last updated
- **extension**: File extension
- **mime_type**: MIME type of the data
- **raw_data_location**: Storage location of the raw data

## Error Codes
- **404 Not Found**: Dataset doesn't exist or user doesn't have access
- **500 Internal Server Error**: Error retrieving data



## OpenAPI

````yaml /cognee_openapi_spec.json get /api/v1/datasets/{dataset_id}/data
openapi: 3.1.0
info:
  title: Cognee API
  description: Cognee API with Bearer token and Cookie auth
  version: 1.0.0
servers:
  - url: https://api.cognee.ai
    description: Production server (full functionality)
  - url: http://localhost:8000
    description: Local development server (requires local setup)
security:
  - BearerAuth: []
  - ApiKeyAuth: []
tags:
  - name: activity
    description: ''
  - name: add
    description: Data ingestion endpoints for adding text, files, and structured data.
  - name: auth
    description: >-
      Authentication endpoints for user registration, login, and token
      management.
  - name: checks
    description: ''
  - name: cognify
    description: >-
      Knowledge processing endpoints to transform raw data into knowledge
      graphs.
  - name: configuration
    description: ''
  - name: datasets
    description: Dataset management endpoints for listing, creating, and deleting datasets.
  - name: delete
    description: Data deletion endpoints (deprecated — use datasets endpoints instead).
  - name: forget
    description: ''
  - name: health
    description: ''
  - name: improve
    description: ''
  - name: llm
    description: ''
  - name: memify
    description: ''
  - name: notebooks
    description: ''
  - name: ontologies
    description: ''
  - name: permissions
    description: Permission management for multi-user access control.
  - name: recall
    description: ''
  - name: remember
    description: ''
  - name: responses
    description: Response generation endpoints using the knowledge graph.
  - name: search
    description: Search endpoints for querying the knowledge graph.
  - name: sessions
    description: ''
  - name: settings
    description: Configuration endpoints for managing Cognee settings.
  - name: sync
    description: ''
  - name: update
    description: ''
  - name: users
    description: User management endpoints.
  - name: visualize
    description: Graph visualization endpoints.
paths:
  /api/v1/datasets/{dataset_id}/data:
    get:
      tags:
        - datasets
      summary: Get Dataset Data
      description: >-
        Get all data items in a dataset.


        This endpoint retrieves all data items (documents, files, etc.) that
        belong

        to a specific dataset. Each data item includes metadata such as name,
        type,

        creation time, and storage location.


        ## Path Parameters

        - **dataset_id** (UUID): The unique identifier of the dataset


        ## Response

        Returns a list of data objects containing:

        - **id**: Unique data item identifier

        - **name**: Data item name

        - **created_at**: When the data was added

        - **updated_at**: When the data was last updated

        - **extension**: File extension

        - **mime_type**: MIME type of the data

        - **raw_data_location**: Storage location of the raw data


        ## Error Codes

        - **404 Not Found**: Dataset doesn't exist or user doesn't have access

        - **500 Internal Server Error**: Error retrieving data
      operationId: get_dataset_data_api_v1_datasets__dataset_id__data_get
      parameters:
        - name: dataset_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
            title: Dataset Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/DataDTO'
                title: >-
                  Response Get Dataset Data Api V1 Datasets  Dataset Id  Data
                  Get
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponseDTO'
          description: Not Found
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - BearerAuth: []
        - ApiKeyAuth: []
components:
  schemas:
    DataDTO:
      properties:
        id:
          type: string
          format: uuid
          title: Id
        name:
          type: string
          title: Name
        createdAt:
          type: string
          format: date-time
          title: Createdat
        updatedAt:
          anyOf:
            - type: string
              format: date-time
            - type: 'null'
          title: Updatedat
        extension:
          type: string
          title: Extension
        mimeType:
          type: string
          title: Mimetype
        rawDataLocation:
          type: string
          title: Rawdatalocation
        datasetId:
          type: string
          format: uuid
          title: Datasetid
      type: object
      required:
        - id
        - name
        - createdAt
        - extension
        - mimeType
        - rawDataLocation
        - datasetId
      title: DataDTO
    ErrorResponseDTO:
      properties:
        message:
          type: string
          title: Message
      type: object
      required:
        - message
      title: ErrorResponseDTO
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key

````