Microsoft Project Resources API

openapi: 3.0.3
info:
  title: Microsoft Project Online REST Assignments Resources API
  description: REST API for accessing and managing Microsoft Project Online and Project Server data including projects, tasks, resources, assignments, calendars, custom fields, timesheets, lookup tables, and workflow activities. Uses SharePoint-based REST endpoints via the ProjectServer service.
  version: '1.0'
  contact:
    name: Microsoft Project Support
    url: https://support.microsoft.com/
  license:
    name: Microsoft API License
    url: https://www.microsoft.com/en-us/legal/terms-of-use
  x-generated-from: documentation
  x-last-validated: '2026-04-18'
servers:
- url: https://{tenant}.sharepoint.com/sites/pwa/_api/ProjectServer
  description: Project Online REST API
  variables:
    tenant:
      default: contoso
      description: SharePoint tenant name
security:
- oauth2: []
tags:
- name: Resources
  description: Manage enterprise resources and project resources
paths:
  /Projects('{projectId}')/Draft/ProjectResources:
    get:
      operationId: listDraftProjectResources
      summary: Microsoft Project List Draft Project Resources
      description: Retrieve all resources in the project draft.
      tags:
      - Resources
      parameters:
      - $ref: '#/components/parameters/projectId'
      responses:
        '200':
          description: List of project resources
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProjectResourceCollection'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: addDraftProjectResource
      summary: Microsoft Project Add Draft Project Resource
      description: Add a resource to the project draft.
      tags:
      - Resources
      parameters:
      - $ref: '#/components/parameters/projectId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProjectResourceCreate'
      responses:
        '201':
          description: Resource added
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /Projects('{projectId}')/ProjectResources:
    get:
      operationId: listProjectResources
      summary: Microsoft Project List Project Resources
      description: Retrieve all published resources for a project.
      tags:
      - Resources
      parameters:
      - $ref: '#/components/parameters/projectId'
      responses:
        '200':
          description: List of project resources
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProjectResourceCollection'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /EnterpriseResources:
    get:
      operationId: listEnterpriseResources
      summary: Microsoft Project List Enterprise Resources
      description: Retrieve all enterprise resources.
      tags:
      - Resources
      responses:
        '200':
          description: List of enterprise resources
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EnterpriseResourceCollection'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: createEnterpriseResource
      summary: Microsoft Project Create Enterprise Resource
      description: Create a new enterprise resource.
      tags:
      - Resources
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EnterpriseResourceCreate'
      responses:
        '201':
          description: Enterprise resource created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EnterpriseResource'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    EnterpriseResource:
      type: object
      properties:
        Id:
          type: string
          format: uuid
          description: Resource identifier
          example: 28eeb2b5-fe74-4efc-aa35-6a64514d1526
        Name:
          type: string
          description: Resource name
          example: Jane Smith
        Email:
          type: string
          format: email
          description: Resource email address
          example: jsmith@contoso.com
        ResourceType:
          type: integer
          description: Resource type (0=Material, 1=Work, 2=Cost)
          example: 1
        IsActive:
          type: boolean
          description: Whether the resource is active
          example: true
        IsGeneric:
          type: boolean
          description: Whether this is a generic resource
          example: false
        MaxUnits:
          type: number
          format: double
          description: Maximum assignment units
          example: 1.0
        StandardRate:
          type: number
          format: double
          description: Standard billing rate
          example: 150.0
        CostCenter:
          type: string
          description: Cost center code
          example: IT-DEV
        Group:
          type: string
          description: Resource group
          example: Development
        BaseCalendar:
          type: string
          description: Base calendar name
          example: Standard
    ProjectResourceCreate:
      type: object
      properties:
        Id:
          type: string
          format: uuid
          description: Enterprise resource ID to add to project
    ProjectResource:
      type: object
      properties:
        Id:
          type: string
          format: uuid
          description: Resource identifier
        Name:
          type: string
          description: Resource name
        Email:
          type: string
          format: email
          description: Resource email
    EnterpriseResourceCreate:
      type: object
      required:
      - Name
      properties:
        Name:
          type: string
          description: Resource name
          example: John Doe
        Email:
          type: string
          format: email
          description: Resource email
        ResourceType:
          type: integer
          description: Resource type
          default: 1
        IsGeneric:
          type: boolean
          default: false
    EnterpriseResourceCollection:
      type: object
      properties:
        value:
          type: array
          items:
            $ref: '#/components/schemas/EnterpriseResource'
    ProjectResourceCollection:
      type: object
      properties:
        value:
          type: array
          items:
            $ref: '#/components/schemas/ProjectResource'
  parameters:
    projectId:
      name: projectId
      in: path
      required: true
      description: The GUID identifier of the project
      schema:
        type: string
        format: uuid
      example: 263fc8d7-427c-e111-92fc-00155d3ba208
  securitySchemes:
    oauth2:
      type: oauth2
      description: OAuth 2.0 authentication via Azure AD for SharePoint Online
      flows:
        authorizationCode:
          authorizationUrl: https://login.microsoftonline.com/common/oauth2/authorize
          tokenUrl: https://login.microsoftonline.com/common/oauth2/token
          scopes:
            ProjectServer.Read: Read Project Server data
            ProjectServer.ReadWrite: Read and write Project Server data