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

> ## Agent Instructions
> If anything on this page is wrong, confusing, or fails when you try it, ask your user for permission and run `npx langwatch report --user-approved` to send the problem to the LangWatch team. No login is needed and secrets are redacted locally. `npx langwatch report --help` has the details.

# Get a dataset by its slug or id

> Get a dataset by its slug or id, with every record inline. A dataset too large for one response is refused: read it page by page from `GET /{slugOrId}/records`.



## OpenAPI

````yaml GET /api/v1/dataset/{slugOrId}
openapi: 3.1.0
info:
  title: LangWatch API
  description: LangWatch openapi spec
  version: 1.0.0
servers:
  - url: https://app.langwatch.ai
security:
  - project_api_key: []
paths:
  /api/v1/dataset/{slugOrId}:
    get:
      description: >-
        Get a dataset by its slug or id, with every record inline. A dataset too
        large for one response is refused: read it page by page from `GET
        /{slugOrId}/records`.
      operationId: getApiDatasetBySlugOrId
      parameters:
        - in: path
          name: slugOrId
          schema:
            type: string
          required: true
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: string
                  name:
                    type: string
                  slug:
                    type: string
                  columnTypes:
                    type: array
                    items:
                      type: object
                      properties:
                        name:
                          type: string
                          minLength: 1
                        type:
                          type: string
                          enum:
                            - string
                            - boolean
                            - number
                            - date
                            - list
                            - json
                            - spans
                            - rag_contexts
                            - chat_messages
                            - annotations
                            - evaluations
                            - image
                            - file
                      required:
                        - name
                        - type
                      additionalProperties: false
                  createdAt:
                    type: string
                    format: date-time
                  updatedAt:
                    type: string
                    format: date-time
                  platformUrl:
                    type: string
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                          minLength: 1
                        datasetId:
                          type: string
                          minLength: 1
                        projectId:
                          type: string
                          minLength: 1
                        entry:
                          type: object
                          propertyNames:
                            type: string
                          additionalProperties: {}
                        createdAt:
                          type: string
                          format: date-time
                        updatedAt:
                          type: string
                          format: date-time
                      required:
                        - id
                        - datasetId
                        - projectId
                        - entry
                        - createdAt
                        - updatedAt
                      additionalProperties: false
                required:
                  - id
                  - name
                  - slug
                  - columnTypes
                  - createdAt
                  - updatedAt
                  - platformUrl
                  - data
                additionalProperties: false
      security:
        - project_api_key: []
components:
  securitySchemes:
    project_api_key:
      type: apiKey
      in: header
      name: X-Auth-Token
      description: >-
        Project API key for sending traces and accessing project-scoped
        resources. Format: sk-lw-... (no underscore). Obtain one by creating a
        project via the Admin API or the LangWatch UI.

````

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