# Source: https://docs.fireworks.ai/api-reference/upload-dataset-files.md

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

# Upload Dataset Files

> Provides a streamlined way to upload a dataset file in a single API request. This path can handle file sizes up to 150Mb. For larger file sizes use [Get Dataset Upload Endpoint](get-dataset-upload-endpoint).




## OpenAPI

````yaml post /v1/accounts/{account_id}/datasets/{dataset_id}:upload
openapi: 3.1.0
info:
  title: Gateway REST API
  version: 3.0.359
servers:
  - url: https://api.fireworks.ai
security:
  - BearerAuth: []
tags:
  - name: Gateway
paths:
  /v1/accounts/{account_id}/datasets/{dataset_id}:upload:
    post:
      tags:
        - Gateway
      summary: Upload Dataset Files
      description: >
        Provides a streamlined way to upload a dataset file in a single API
        request. This path can handle file sizes up to 150Mb. For larger file
        sizes use [Get Dataset Upload Endpoint](get-dataset-upload-endpoint).
      operationId: Gateway_UploadDatasetFile
      parameters:
        - name: account_id
          in: path
          required: true
          description: The account id
          schema:
            type: string
        - name: dataset_id
          in: path
          required: true
          description: The dataset id
          schema:
            type: string
      requestBody:
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                file:
                  type: string
                  format: binary
        required: true
      responses:
        '200':
          description: A successful response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FileUploadResponse'
        '400':
          description: Bad Request
        '401':
          description: Unauthorized
        '404':
          description: Not Found
        '500':
          description: Internal Server Error
components:
  schemas:
    FileUploadResponse:
      type: object
      properties:
        id:
          type: string
          description: The dataset id.
        object:
          type: string
          description: The object type, which is always file.
        bytes:
          type: integer
          format: int64
          description: The size of the file, in bytes.
        created_at:
          type: integer
          format: int64
          description: The Unix timestamp (in seconds) for when the file was created.
        filename:
          type: string
          description: The name of the file.
        purpose:
          type: string
          description: The intended purpose of the file.
  securitySchemes:
    BearerAuth:
      type: http
      description: >-
        Bearer authentication using your Fireworks API key. Format: Bearer
        <API_KEY>
      scheme: bearer
      bearerFormat: API_KEY

````