Microsoft SharePoint Files API

openapi: 3.2.0
info:
  title: SharePoint REST Files API
  description: The SharePoint REST API enables developers to interact remotely with SharePoint data using any technology that supports REST web requests. Provides CRUD operations on sites, lists, items, files, folders, permissions, and user profiles using OData protocol standards.
  version: '1.0'
  x-generated-from: documentation
  contact:
    name: Microsoft
    url: https://learn.microsoft.com/en-us/sharepoint/dev/
servers:
- url: https://{site_url}/_api
  description: SharePoint REST API endpoint
  variables:
    site_url:
      default: contoso.sharepoint.com/sites/mysite
      description: SharePoint site URL
tags:
- name: Files
  description: File upload, download, and management
paths:
  /web/getfolderbyserverrelativeurl('{folder_url}')/files:
    get:
      operationId: getFilesInFolder
      summary: SharePoint Get Files in Folder
      description: Retrieve files in a folder.
      tags:
      - Files
      parameters:
      - name: folder_url
        in: path
        required: true
        schema:
          type: string
        description: Server-relative folder URL.
        example: /sites/mysite/Shared Documents
      responses:
        '200':
          description: Collection of files.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FileCollection'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /web/getfolderbyserverrelativeurl('{folder_url}')/files/add(url='{file_name}',overwrite=true):
    post:
      operationId: uploadFile
      summary: SharePoint Upload File
      description: Upload a file to a document library folder.
      tags:
      - Files
      parameters:
      - name: folder_url
        in: path
        required: true
        schema:
          type: string
      - name: file_name
        in: path
        required: true
        schema:
          type: string
        example: document.docx
      requestBody:
        required: true
        content:
          application/octet-stream:
            schema:
              type: string
              format: binary
      responses:
        '200':
          description: File uploaded.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/File'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /web/getfilebyserverrelativeurl('{file_url}')/$value:
    get:
      operationId: downloadFile
      summary: SharePoint Download File
      description: Download file content.
      tags:
      - Files
      parameters:
      - name: file_url
        in: path
        required: true
        schema:
          type: string
        example: /sites/mysite/Shared Documents/report.pdf
      responses:
        '200':
          description: File content.
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    FileCollection:
      type: object
      properties:
        value:
          type: array
          items:
            $ref: '#/components/schemas/File'
    File:
      type: object
      description: SharePoint file.
      properties:
        Name:
          type: string
          example: report.pdf
        ServerRelativeUrl:
          type: string
          example: /sites/mysite/Shared Documents/report.pdf
        Length:
          type: integer
          example: 1048576
        TimeCreated:
          type: string
          format: date-time
          example: '2026-04-17T09:00:00Z'
        TimeLastModified:
          type: string
          format: date-time
          example: '2026-04-17T10:30:00Z'
        CheckOutType:
          type: integer
          example: 2
        MajorVersion:
          type: integer
          example: 3
        MinorVersion:
          type: integer
          example: 0
        UniqueId:
          type: string
          example: 3fa85f64-5717-4562-b3fc-2c963f66afa6
  securitySchemes:
    oauth2:
      type: oauth2
      description: OAuth 2.0 via Azure AD / Microsoft Identity Platform.
      flows:
        authorizationCode:
          authorizationUrl: https://login.microsoftonline.com/{tenant}/oauth2/v2.0/authorize
          tokenUrl: https://login.microsoftonline.com/{tenant}/oauth2/v2.0/token
          scopes:
            Sites.Read.All: Read all site collections.
            Sites.ReadWrite.All: Read and write all site collections.
            Sites.Manage.All: Create, edit, and delete items and lists.
            Sites.FullControl.All: Full control of all site collections.