openapi: 3.1.0
info:
  title: Microsoft Purview Data Security and Governance API
  description: >-
    APIs for integrating data loss prevention and compliance policy enforcement
    into applications through Microsoft Graph. Provides compute protection
    scopes and process content operations to evaluate and enforce DLP policies
    at runtime.
  version: v1.0
  contact:
    name: Microsoft Purview Support
    url: https://learn.microsoft.com/en-us/graph/security-datasecurityandgovernance-overview
  license:
    name: Microsoft API License
    url: https://azure.microsoft.com/en-us/support/legal/
servers:
  - url: https://graph.microsoft.com/v1.0
    description: Microsoft Graph v1.0 endpoint
security:
  - oauth2: []
tags:
  - name: DLP Policies
    description: Operations for evaluating DLP policies on content
  - name: Protection Scopes
    description: Operations for computing protection scopes
  - name: Sensitivity Labels
    description: Operations for accessing tenant-level sensitivity labels
paths:
  /security/dataSecurityAndGovernance/sensitivityLabels:
    get:
      operationId: listTenantSensitivityLabels
      summary: Microsoft Purview List tenant sensitivity labels
      description: >-
        List the sensitivity labels available for the entire tenant. When using
        application permissions, returns all labels for the tenant by default.
      tags:
        - Sensitivity Labels
      parameters:
        - name: $top
          in: query
          schema:
            type: integer
            format: int32
        - name: $filter
          in: query
          schema:
            type: string
        - name: $select
          in: query
          schema:
            type: string
        - name: $count
          in: query
          schema:
            type: boolean
      responses:
        '200':
          description: Sensitivity labels listed successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/SensitivityLabel'
                  '@odata.nextLink':
                    type: string
                  '@odata.count':
                    type: integer
                    format: int64
        '401':
          description: Unauthorized
        '403':
          description: Forbidden
  /security/dataSecurityAndGovernance/sensitivityLabels/{sensitivityLabelId}:
    get:
      operationId: getTenantSensitivityLabel
      summary: Microsoft Purview Get a tenant sensitivity label
      description: Get a sensitivity label by its identifier at the tenant level.
      tags:
        - Sensitivity Labels
      parameters:
        - name: sensitivityLabelId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Sensitivity label retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SensitivityLabel'
        '401':
          description: Unauthorized
        '404':
          description: Not found
  /security/dataSecurityAndGovernance/sensitivityLabels/microsoft.graph.security.evaluateApplication:
    post:
      operationId: evaluateDlpApplication
      summary: Microsoft Purview Evaluate DLP application for content
      description: >-
        Evaluate which DLP policies apply to the given content and compute
        the set of actions that should be taken.
      tags:
        - DLP Policies
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                contentInfo:
                  $ref: '#/components/schemas/ContentInfo'
                labelingOptions:
                  $ref: '#/components/schemas/LabelingOptions'
      responses:
        '200':
          description: DLP evaluation result
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/InformationProtectionAction'
        '401':
          description: Unauthorized
  /security/dataSecurityAndGovernance/protectionScopes/microsoft.graph.security.computeProtectionScopes:
    post:
      operationId: computeProtectionScopes
      summary: Microsoft Purview Compute protection scopes
      description: >-
        Compute the protection scopes applicable to content to determine which
        DLP policies should be enforced.
      tags:
        - Protection Scopes
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                contentInfo:
                  $ref: '#/components/schemas/ContentInfo'
      responses:
        '200':
          description: Protection scopes computed successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/ProtectionScope'
        '401':
          description: Unauthorized
  /security/dataSecurityAndGovernance/processContent:
    post:
      operationId: processContent
      summary: Microsoft Purview Process content for DLP
      description: >-
        Process content through DLP pipeline to evaluate and enforce data loss
        prevention policies at runtime.
      tags:
        - DLP Policies
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                contentInfo:
                  $ref: '#/components/schemas/ContentInfo'
                classificationResults:
                  type: array
                  items:
                    $ref: '#/components/schemas/ClassificationResult'
      responses:
        '200':
          description: Content processed successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  actions:
                    type: array
                    items:
                      $ref: '#/components/schemas/DlpAction'
                  matchedRules:
                    type: array
                    items:
                      $ref: '#/components/schemas/DlpMatchedRule'
        '401':
          description: Unauthorized
components:
  securitySchemes:
    oauth2:
      type: oauth2
      description: Microsoft Identity Platform OAuth2
      flows:
        clientCredentials:
          tokenUrl: https://login.microsoftonline.com/{tenantId}/oauth2/v2.0/token
          scopes:
            InformationProtectionPolicy.Read.All: Read all information protection policies
  schemas:
    SensitivityLabel:
      type: object
      properties:
        id:
          type: string
          readOnly: true
        name:
          type: string
        description:
          type: string
        color:
          type: string
        sensitivity:
          type: integer
          format: int32
        tooltip:
          type: string
        isActive:
          type: boolean
        isAppliable:
          type: boolean
        contentFormats:
          type: array
          items:
            type: string
        hasProtection:
          type: boolean
    ContentInfo:
      type: object
      properties:
        contentFormat:
          type: string
        identifier:
          type: string
        state:
          type: string
          enum: [rest, motion, use]
        metadata:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              value:
                type: string
    LabelingOptions:
      type: object
      properties:
        assignmentMethod:
          type: string
          enum: [standard, privileged, auto]
        labelId:
          type: string
          format: uuid
    ClassificationResult:
      type: object
      properties:
        sensitiveTypeId:
          type: string
        confidenceLevel:
          type: integer
          format: int32
        count:
          type: integer
          format: int32
    InformationProtectionAction:
      type: object
      properties:
        '@odata.type':
          type: string
    ProtectionScope:
      type: object
      properties:
        id:
          type: string
        scopeType:
          type: string
        policyId:
          type: string
        policyName:
          type: string
    DlpAction:
      type: object
      properties:
        actionType:
          type: string
          enum: [notifyUser, blockAccess, auditOnly, encrypt, applyLabel]
        description:
          type: string
        policyId:
          type: string
    DlpMatchedRule:
      type: object
      properties:
        ruleId:
          type: string
        ruleName:
          type: string
        policyId:
          type: string
        policyName:
          type: string
        severity:
          type: string
          enum: [low, medium, high]
        actions:
          type: array
          items:
            $ref: '#/components/schemas/DlpAction'