Microsoft Visio API Shape Data API

openapi: 3.1.0
info:
  title: Visio JavaScript Application Shape Data API
  description: The Visio JavaScript API enables building Office Add-ins that interact with Visio diagrams embedded in classic SharePoint Online pages. The API provides access to document elements including pages, shapes, hyperlinks, comments, shape data items, and shape views. Developers can create visual overlays, register mouse event handlers, read shape text and shape data, and control application settings. The API uses a request context and proxy object pattern with batch execution via Visio.run() and context.sync().
  version: '1.1'
  contact:
    name: Microsoft Office Dev
    url: https://developer.microsoft.com/office
    email: officedevfeedback@microsoft.com
  license:
    name: Microsoft APIs Terms of Use
    url: https://learn.microsoft.com/en-us/legal/microsoft-apis/terms-of-use
  termsOfService: https://www.microsoft.com/en-us/legal/terms-of-use
servers:
- url: https://appsforoffice.microsoft.com/embedded/1.0
  description: Visio Office Add-ins embedded endpoint
security:
- EmbeddedSession: []
tags:
- name: Shape Data
  description: Operations for reading structured data associated with shapes
paths:
  /document/pages/{pageName}/shapes/{shapeId}/shapeDataItems:
    get:
      operationId: listShapeDataItems
      summary: List Shape Data Items
      description: Returns all structured data items associated with a specific shape. Shape data items contain label-value pairs that store business data linked to diagram elements.
      tags:
      - Shape Data
      parameters:
      - name: pageName
        in: path
        required: true
        description: Name of the Visio page
        schema:
          type: string
      - name: shapeId
        in: path
        required: true
        description: Numeric ID of the shape
        schema:
          type: integer
      responses:
        '200':
          description: Collection of shape data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ShapeDataItemCollection'
        '404':
          description: Shape not found
        '500':
          description: Internal server error
components:
  schemas:
    ShapeDataItemCollection:
      type: object
      description: Collection of data items associated with a shape
      properties:
        items:
          type: array
          items:
            $ref: '#/components/schemas/ShapeDataItem'
    ShapeDataItem:
      type: object
      description: A structured data item (label-value pair) associated with a shape
      properties:
        label:
          type: string
          description: Label or key for the data item
        value:
          type: string
          description: Value associated with the label
        format:
          type: string
          description: Optional display format for the value
        formattedValue:
          type: string
          description: Value after applying the format string
  securitySchemes:
    EmbeddedSession:
      type: apiKey
      in: header
      name: X-Embedded-Session
      description: Visio EmbeddedSession token obtained via OfficeExtension.EmbeddedSession initialization
externalDocs:
  description: Visio JavaScript API Documentation
  url: https://learn.microsoft.com/en-us/office/dev/add-ins/visio/visio-overview