> ## 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.

# Create a dataset from an uploaded file

> Create a dataset from an uploaded and confirmed file



## OpenAPI

````yaml POST /api/v1/dataset/imports
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/imports:
    post:
      summary: Create a dataset from an uploaded file
      description: Create a dataset from an uploaded and confirmed file
      operationId: postApiDatasetImports
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DatasetImport'
      responses:
        '201':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  datasetId:
                    type: string
                  slug:
                    type: string
                  status:
                    type: string
                    const: processing
                required:
                  - datasetId
                  - slug
                  - status
                additionalProperties: false
      security:
        - project_api_key: []
components:
  schemas:
    DatasetImport:
      type: object
      properties:
        name:
          type: string
          minLength: 1
        storedObjectId:
          type: string
          minLength: 1
          maxLength: 255
          pattern: ^[A-Za-z0-9][A-Za-z0-9._:-]*$
        columnTypes:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              type:
                type: string
                enum:
                  - string
                  - boolean
                  - number
                  - date
                  - list
                  - json
                  - spans
                  - rag_contexts
                  - chat_messages
                  - annotations
                  - evaluations
                  - image
                  - file
              sourceHeader:
                type: string
            required:
              - name
              - type
              - sourceHeader
      required:
        - name
        - storedObjectId
  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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