openapi: 3.1.0
info:
  title: Google Tasks Lists API
  description: The Google Tasks API lets you search, read, and update Google Tasks content and metadata. You can manage task lists and individual tasks, including creating, updating, moving, and deleting tasks programmatically.
  version: v1
  contact:
    name: Google
    url: https://developers.google.com/tasks
servers:
- url: https://tasks.googleapis.com/tasks/v1
security:
- oauth2: []
tags:
- name: Lists
paths:
  /lists/{taskListId}/tasks:
    get:
      operationId: listTasks
      summary: List tasks
      description: Returns all tasks in the specified task list.
      parameters:
      - name: taskListId
        in: path
        required: true
        schema:
          type: string
      - name: maxResults
        in: query
        schema:
          type: integer
          maximum: 100
      - name: pageToken
        in: query
        schema:
          type: string
      - name: showCompleted
        in: query
        schema:
          type: boolean
      - name: showHidden
        in: query
        schema:
          type: boolean
      - name: dueMin
        in: query
        schema:
          type: string
          format: date-time
      - name: dueMax
        in: query
        schema:
          type: string
          format: date-time
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TasksResponse'
      tags:
      - Lists
    post:
      operationId: insertTask
      summary: Create a task
      description: Creates a new task on the specified task list.
      parameters:
      - name: taskListId
        in: path
        required: true
        schema:
          type: string
      - name: parent
        in: query
        schema:
          type: string
      - name: previous
        in: query
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Task'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Task'
      tags:
      - Lists
  /lists/{taskListId}/tasks/{taskId}:
    get:
      operationId: getTask
      summary: Get a task
      description: Returns the specified task.
      parameters:
      - name: taskListId
        in: path
        required: true
        schema:
          type: string
      - name: taskId
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Task'
      tags:
      - Lists
    put:
      operationId: updateTask
      summary: Update a task
      description: Updates the specified task.
      parameters:
      - name: taskListId
        in: path
        required: true
        schema:
          type: string
      - name: taskId
        in: path
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Task'
      responses:
        '200':
          description: Successful response
      tags:
      - Lists
    delete:
      operationId: deleteTask
      summary: Delete a task
      description: Deletes the specified task from the task list.
      parameters:
      - name: taskListId
        in: path
        required: true
        schema:
          type: string
      - name: taskId
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Successful deletion
      tags:
      - Lists
  /lists/{taskListId}/tasks/{taskId}/move:
    post:
      operationId: moveTask
      summary: Move a task
      description: Moves the specified task to another position in the task list.
      parameters:
      - name: taskListId
        in: path
        required: true
        schema:
          type: string
      - name: taskId
        in: path
        required: true
        schema:
          type: string
      - name: parent
        in: query
        schema:
          type: string
      - name: previous
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Successful response
      tags:
      - Lists
  /lists/{taskListId}/clear:
    post:
      operationId: clearTasks
      summary: Clear completed tasks
      description: Clears all completed tasks from the specified task list.
      parameters:
      - name: taskListId
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Successful response
      tags:
      - Lists
components:
  schemas:
    TasksResponse:
      type: object
      properties:
        kind:
          type: string
        etag:
          type: string
        nextPageToken:
          type: string
        items:
          type: array
          items:
            $ref: '#/components/schemas/Task'
    Task:
      type: object
      properties:
        kind:
          type: string
          const: tasks#task
        id:
          type: string
        etag:
          type: string
        title:
          type: string
        updated:
          type: string
          format: date-time
        selfLink:
          type: string
          format: uri
        parent:
          type: string
        position:
          type: string
        notes:
          type: string
        status:
          type: string
          enum:
          - needsAction
          - completed
        due:
          type: string
          format: date-time
        completed:
          type: string
          format: date-time
        deleted:
          type: boolean
        hidden:
          type: boolean
        links:
          type: array
          items:
            type: object
            properties:
              type:
                type: string
              description:
                type: string
              link:
                type: string
                format: uri
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://accounts.google.com/o/oauth2/auth
          tokenUrl: https://oauth2.googleapis.com/token
          scopes:
            https://www.googleapis.com/auth/tasks: Create, edit, organize, and delete all your tasks
            https://www.googleapis.com/auth/tasks.readonly: View your tasks