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

# Upload Part



## OpenAPI

````yaml POST /api/v1/files/multipart/{uploadId}/upload
openapi: 3.0.1
info:
  title: File Storage API
  description: >-
    API for managing file storage operations including uploads, downloads, and
    bucket management
  version: 1.0.0
servers:
  - url: https://api.apexxcloud.com
security:
  - apiAuth: []
    signatureAuth: []
    timestampAuth: []
paths:
  /api/v1/files/multipart/{uploadId}/upload:
    post:
      summary: Upload Part
      parameters:
        - name: uploadId
          in: path
          required: true
          schema:
            type: string
        - name: bucket_name
          in: query
          required: true
          schema:
            type: string
        - name: region
          in: query
          required: true
          schema:
            type: string
        - name: partNumber
          in: query
          required: true
          schema:
            type: integer
        - name: totalParts
          in: query
          required: true
          schema:
            type: integer
      responses:
        '200':
          description: Part uploaded successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UploadPartResponse'
components:
  schemas:
    UploadPartResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            partNumber:
              type: integer
            ETag:
              type: string
  securitySchemes:
    apiAuth:
      type: apiKey
      in: header
      name: X-Access-Key
      description: Your API Access Key
    signatureAuth:
      type: apiKey
      in: header
      name: X-Signature
      description: HMAC SHA-256 signature of the request
    timestampAuth:
      type: apiKey
      in: header
      name: X-Timestamp
      description: ISO 8601 timestamp of the request

````