Azure Blob Storage ?restype=service&comp=userdelegationkey API

openapi: 3.1.0
info:
  title: Azure Blob Storage REST Append Blobs ?restype=service&comp=userdelegationkey API
  description: The Azure Blob Storage REST API provides programmatic access to unstructured data storage in Azure. It supports operations on the Blob service, containers, and blobs, including block blobs, append blobs, and page blobs. Blobs can store any type of text or binary data such as documents, media files, and application installers. Blob Storage is optimized for storing massive amounts of unstructured data accessible via HTTP or HTTPS from anywhere in the world.
  version: '2024-11-04'
  contact:
    name: Microsoft Azure Support
    url: https://azure.microsoft.com/en-us/support/
  termsOfService: https://azure.microsoft.com/en-us/support/legal/
servers:
- url: https://{accountName}.blob.core.windows.net
  description: Azure Blob Storage endpoint
  variables:
    accountName:
      description: The name of the Azure Storage account
      default: mystorageaccount
security:
- sharedKey: []
- bearerAuth: []
- sharedAccessSignature: []
tags:
- name: ?restype=service&comp=userdelegationkey
paths:
  /?restype=service&comp=userdelegationkey:
    post:
      operationId: getUserDelegationKey
      summary: Azure Blob Storage Get user delegation key
      description: Obtains a key that can be used to sign a user delegation shared access signature (SAS), granting access to blob resources using Microsoft Entra ID credentials. The key is valid for the specified time range.
      tags:
      - ?restype=service&comp=userdelegationkey
      parameters:
      - $ref: '#/components/parameters/ApiVersion'
      requestBody:
        required: true
        content:
          application/xml:
            schema:
              type: object
              properties:
                Start:
                  type: string
                  format: date-time
                  description: The start time for the user delegation key validity
                Expiry:
                  type: string
                  format: date-time
                  description: The expiry time for the user delegation key validity
      responses:
        '200':
          description: User delegation key returned
components:
  parameters:
    ApiVersion:
      name: x-ms-version
      in: header
      required: true
      description: Specifies the version of the Azure Storage REST API to use for the request.
      schema:
        type: string
        default: '2024-11-04'
  securitySchemes:
    sharedKey:
      type: apiKey
      in: header
      name: Authorization
      description: Azure Storage shared key authorization using the storage account access key.
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Microsoft Entra ID OAuth 2.0 bearer token for accessing blob resources.
    sharedAccessSignature:
      type: apiKey
      in: query
      name: sig
      description: Shared access signature (SAS) token granting delegated access to blob resources.
externalDocs:
  description: Azure Blob Storage REST API Documentation
  url: https://learn.microsoft.com/en-us/rest/api/storageservices/blob-service-rest-api