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

# Send file upload chunk

> Send file upload chunk for the specified Volume, writing the chunk information to the SQLite database



## OpenAPI

````yaml /api-specs/cloud/public-api.json post /remotefs/v1/volumes/{id}/uploads
openapi: 3.0.3
info:
  title: Domino Public API
  description: Reference for Domino's public REST API endpoints.
  version: 6.4.0
  x-catalog-key: nucleus
servers:
  - url: https://mycluster.domino.tech
    description: >-
      Replace 'mycluster.domino.tech' with your Domino cluster hostname. For
      Domino Cloud customers, that is `your-subdomain`.domino.tech (e.g.,
      acme.domino.tech). For self-hosted deployments, it is the hostname you
      reach the Domino UI at.
security: []
tags:
  - name: Projects
  - name: Project templates
  - name: Workspaces
  - name: Jobs
  - name: HPC Jobs
  - name: Environments
  - name: Hardware Tiers
  - name: Datasets
  - name: Data Sources
  - name: GenAI
  - name: AI Systems
  - name: Apps
  - name: App versions
  - name: App instances
  - name: Model APIs
  - name: Registered models
  - name: Model deployment
  - name: Extensions
  - name: Cost and billing
  - name: Users and organizations
  - name: Service accounts
  - name: Personal Access Tokens
  - name: Personal Access Tokens (admin)
  - name: Audit Trail
  - name: Custom metrics
  - name: PPM
  - name: Model Monitoring models
  - name: Model Monitoring drift and quality
  - name: Model Monitoring settings
  - name: Model Monitoring authentication
  - name: Governance bundles
  - name: Governance policies
  - name: Governance evidence and results
  - name: Governance operations
  - name: NetApp Volumes
  - name: NetApp Volumes snapshots
  - name: NetApp Volumes filesystems
  - name: NetApp Volumes transfers
  - name: Tags
  - name: Properties
externalDocs:
  description: OpenAPI
  url: https://swagger.io/resources/open-api/
paths:
  /remotefs/v1/volumes/{id}/uploads:
    post:
      tags:
        - NetApp Volumes
      summary: Send file upload chunk
      description: >-
        Send file upload chunk for the specified Volume, writing the chunk
        information to the SQLite database
      parameters:
        - description: Volume ID
          name: id
          in: path
          required: true
          schema:
            type: string
        - description: Number of the current chunk
          name: resumableChunkNumber
          in: query
          required: true
          schema:
            type: integer
        - description: Total number of chunks of the file to upload
          name: resumableTotalChunks
          in: query
          required: true
          schema:
            type: integer
        - description: Unique identifier for the file to upload
          name: resumableIdentifier
          in: query
          required: true
          schema:
            type: string
        - description: Unique identifier for this upload session
          name: key
          in: query
          required: true
          schema:
            type: string
        - description: >-
            Path of the file to upload relative to the root directory being
            uploaded if applicable, or the file name
          name: resumableRelativePath
          in: query
          required: true
          schema:
            type: string
        - description: Size in bytes of one standard (not last) upload chunk
          name: resumableChunkSize
          in: query
          required: true
          schema:
            type: integer
        - description: Size in bytes of the current upload chunk
          name: resumableCurrentChunkSize
          in: query
          required: true
          schema:
            type: integer
        - description: Checksum of the file to upload
          name: checksum
          in: query
          required: true
          schema:
            type: string
      requestBody:
        $ref: >-
          #/components/requestBodies/data-webvfs-service_postDatasetrwDatasets_datasetid_snapshotFile
      responses:
        '200':
          description: upload session key
          content:
            application/json:
              schema:
                type: string
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/data-webvfs-service_model.HTTPError'
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/data-webvfs-service_model.HTTPError'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/data-webvfs-service_model.HTTPError'
components:
  requestBodies:
    data-webvfs-service_postDatasetrwDatasets_datasetid_snapshotFile:
      content:
        application/x-www-form-urlencoded:
          schema:
            type: object
            properties:
              file:
                description: File to upload
                type: string
                format: binary
            required:
              - file
      required: true
  schemas:
    data-webvfs-service_model.HTTPError:
      type: object
      properties:
        message:
          type: string
          example: Bad Request
        success:
          type: boolean
          example: false

````

## Related topics

- [The python-domino library](/cloud/reference/python-sdk/python-domino.md)
- [Send file upload chunk](/api-reference/datasets/send-file-upload-chunk.md)
- [Returns whether this upload chunk has already been sent](/api-reference/netapp-volumes/returns-whether-this-upload-chunk-has-already-been-sent.md)
- [Returns whether or not this upload chunk has already been sent](/api-reference/datasets/returns-whether-or-not-this-upload-chunk-has-already-been-sent.md)