openapi: 3.1.0 info: title: Microsoft To Do API (Microsoft Graph) ChecklistItems TaskLists API description: Minimal OpenAPI definition for the Microsoft To Do API exposed via Microsoft Graph for managing task lists, tasks, checklist items, and linked resources. version: v1.0 x-generated-from: https://learn.microsoft.com/en-us/graph/api/resources/todo-overview x-generated-by: claude-crawl-2026-05-08 servers: - url: https://graph.microsoft.com/v1.0 description: Microsoft Graph v1.0 security: - bearerAuth: [] tags: - name: TaskLists paths: /me/todo/lists: get: tags: - TaskLists summary: List todoTaskLists operationId: listTodoTaskLists responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/GenericList' post: tags: - TaskLists summary: Create todoTaskList operationId: createTodoTaskList requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/GenericObject' responses: '201': description: Created /me/todo/lists/{todoTaskListId}: parameters: - $ref: '#/components/parameters/TaskListId' get: tags: - TaskLists summary: Get todoTaskList operationId: getTodoTaskList responses: '200': description: OK patch: tags: - TaskLists summary: Update todoTaskList operationId: updateTodoTaskList requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/GenericObject' responses: '200': description: OK delete: tags: - TaskLists summary: Delete todoTaskList operationId: deleteTodoTaskList responses: '204': description: No Content components: parameters: TaskListId: in: path name: todoTaskListId required: true schema: type: string schemas: GenericObject: type: object additionalProperties: true GenericList: type: object properties: value: type: array items: $ref: '#/components/schemas/GenericObject' additionalProperties: true securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT