Product
Jentic OSThe workplace. An in-house AI platform for every employeeJentic OneSafe access. Agents reach your systems without holding keysJentic AIRThe foundation. Gets your existing platforms ready for AI
Pricing
Developers

GET STARTED

API DirectoryBrowse 10,000+ APIs Ready For AI Agent IntegrationDocumentationGuides and API reference

TOOLS

API ScoringCheck your AI Readiness using our scorecardArazzo UIVisualize Arazzo Workflows As Interactive DocumentationArazzo EditorBuild And Edit Multi-Step API Workflows Visually

COMMUNITY

GitHubOpen source projects and examplesOpen StandardsBuilt on open specs. Never locked in.
Resources
Company
About UsOur mission and teamCareersJoin our teamContactGet in touch
Try it now
Jentic OSJentic OneJentic AIR
Pricing
API DirectoryDocumentationAPI ScoringArazzo UIArazzo EditorGitHubOpen Standards
Resources
About UsCareersContact
Try it now
JenticJentic
Products
  • Jentic OS
  • Jentic One
  • Jentic AIR
For Developers
  • API Directory
  • Documentation
  • GitHub
Company
  • About Jentic
  • Careers
  • Contact Us
  • Trust Centre
ISO/IEC 27001:2022 certification badge issued by Prescient SecurityISO/IEC 27001:2022 certification badge issued by Prescient Security

Information Security Management System

Certified to ISO/IEC 27001:2022 by Prescient Security

AICPA SOC for Service Organizations logoAICPA SOC for Service Organizations logo

SOC 2® Type 1 report

Audited by Prescient Assurance

Terms & Conditions•Privacy Policy•
© 2026 Jentic Technology Ltd. All rights reserved.
2 Grattan Court East, Dublin, D02 VX86, Ireland
Switch to light modeSwitch to dark mode
APIs / Productivity / Microsoft / Microsoft To Do API (Graph)
Microsoft To Do API (Graph) logo

Microsoft Azure Microsoft To Do API (Graph)

Browse all Microsoft APIs
71
AI ReadinessAI-Aware (A-)71/100
See full scorecard
Agent-ready OpenAPI document · curated by JenticProductivityTask Managementbearer14 EndpointsREST

Know of an official OpenAPI document? Contribute it →

For Agents

Create and manage Microsoft To Do task lists, tasks, checklist items, and linked resources for the signed-in user via Microsoft Graph.

Use for: I need to create a new task list called Sprint Planning, Add a task to my Today list with a due date of tomorrow, List all tasks in the Groceries list, Mark the task about reviewing the report as completed

Not supported: Does not handle calendar events, email, or team/shared project tracking - use for managing the signed-in user's personal Microsoft To Do tasks only.

Jentic publishes the only available OpenAPI specification for Microsoft To Do API (Graph), keeping it validated and agent-ready. The Microsoft To Do API exposes task management capabilities via Microsoft Graph, letting applications create and organise task lists, add tasks with due dates and reminders, attach checklist items, and link external resources. It uses OAuth 2.0 bearer tokens scoped to the signed-in user's mailbox and supports the same task data that surfaces in Microsoft To Do, Outlook Tasks, and Planner integration scenarios. The 14 endpoints cover full lifecycle operations on lists, tasks, checklist items, and linked resources.

Jentic One on GithubView OpenAPI Document

Install Jentic One Beta

Connect the Microsoft To Do API (Graph) to your agent

Jentic One is a self-hosted execution layer for AI agents. It lets your agent call the Microsoft To Do API (Graph), or any other public or private API you need. You set the rules, the agent never sees your credentials, and every call is logged.

Two steps, two machines. Install the instance in a safe environment, then register your agent from wherever it runs.

1

Step 1: Jentic One Host machine

# On the machine that will host your Jentic One instance:
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fmicrosoft.com%2Fmicrosoft-todo-api" | sh
2

Step 2: Agent machine

# On the machine where your agent runs (keep this separate from the instance):
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fmicrosoft.com%2Fmicrosoft-todo-api" | sh
jentic register       # connects your agent to your Jentic One instance

Jentic One is in public beta. The setup above keeps your agent separate from the instance, which is what you want before using real credentials: an agent running as the same OS user as Jentic One can read its stored keys directly. Just evaluating? A single local install is fine to start. See the secure deployment guide for the tiers.

Capabilities

What an agent can do with Microsoft To Do API (Graph) API.

Create and organise personal task lists for the signed-in user

Add tasks with due dates, reminders, and importance levels to a specific list

Break tasks down into checklist items for granular subtask tracking

Attach linked resources such as Outlook emails or external URLs to a task

Update task status and completion state to keep workflow agents in sync

Retrieve all tasks across a list to feed daily-standup or planning agents

Delete obsolete tasks and lists to keep the user's To Do workspace tidy

Use Cases

Patterns agents use Microsoft To Do API (Graph) API for, with concrete tasks.

★ Personal Productivity Sync

Keep an agent's task backlog in lockstep with the user's Microsoft To Do account so reminders, due dates, and completion state stay consistent across devices. The API surfaces the same tasks shown in Outlook Tasks and the To Do mobile app, so changes made by an agent are reflected wherever the user already works.

Create a task titled 'Submit expense report' in the user's default To Do list with a due date of next Friday and importance set to high.

Meeting Follow-Up Capture

After a meeting, an agent extracts action items from notes or a transcript and writes them as tasks into a dedicated To Do list, optionally attaching the meeting recording or notes as linked resources. The user sees the action items appear in Microsoft To Do without copying anything by hand.

Create a task list called 'Q3 Planning Follow-ups' and add 5 tasks parsed from a meeting transcript, attaching the OneDrive transcript URL as a linked resource on each.

Checklist Decomposition

When a user asks an agent to break a complex task down into smaller steps, the agent posts a parent task and then creates checklist items beneath it. The user can tick items off in the To Do app and the agent can read remaining items back later.

Create a task 'Prepare onboarding pack' and add five checklist items: write welcome email, prepare laptop, schedule intro calls, share docs, send swag.

Agent-Driven Task Management via Jentic

Through Jentic, an AI agent discovers To Do operations by intent, loads the input schema for the chosen endpoint, and executes the call using a scoped Microsoft Graph token held in your Jentic One instance. The agent never sees the raw token and can be wired into any framework that supports MCP or the Jentic SDK.

Use Jentic search for 'create a task in microsoft to do', load the schema for POST /me/todo/lists/{todoTaskListId}/tasks, and execute it with a generated task title and due date.

Key Endpoints

14 endpoints — jentic publishes the only available openapi specification for microsoft to do api (graph), keeping it validated and agent-ready.

METHOD

PATH

DESCRIPTION

GET

/me/todo/lists

List all task lists

POST

/me/todo/lists

Create a task list

GET

/me/todo/lists/{todoTaskListId}/tasks

List tasks in a list

POST

/me/todo/lists/{todoTaskListId}/tasks

Create a task

PATCH

/me/todo/lists/{todoTaskListId}

Update a task list

DELETE

/me/todo/lists/{todoTaskListId}

Delete a task list

GET

/me/todo/lists

List all task lists

POST

/me/todo/lists

Create a task list

GET

/me/todo/lists/{todoTaskListId}/tasks

List tasks in a list

POST

/me/todo/lists/{todoTaskListId}/tasks

Create a task

PATCH

/me/todo/lists/{todoTaskListId}

Update a task list

DELETE

/me/todo/lists/{todoTaskListId}

Delete a task list

Jentic AI Readiness Score

This API is usable in Jentic One now. Its AI-readiness score against Jentic's framework shows where it stands today and where improvements would make it even easier for agents to use.

M

Microsoft To Do API (Graph)

- AI-Aware (A-)
71/100
100
Foundational Compliance
62
Developer Experience & Jentic Compatibility
50
AI-Readiness & Agent Experience
94
Agent Usability
75
Security
100
AI Discoverability
Powered by JenticScoring Framework 1.0.0 | Scoring Engine 0.4.0
Show dimension breakdown
100

Foundational Compliance

Base layer of spec validity and structural soundness.

Grade: A+Signals: 4
98%

Lint Results

Aggregated quality score from linter diagnostics, weighted by severity.

100%

Resolution Completeness

Percentage of `$ref` references that resolve successfully.

100%

Specification Validity

Checks whether the API description parses successfully and conforms to its declared specification (e.g., OpenAPI).

100%

Structural Integrity

Structural correctness score based on schema issues using logarithmic dampening.

62

Developer Experience & Jentic Compatibility

Clarity, completeness, and ingestion readiness for developers and tooling.

Grade: B-Signals: 4
0%

Example Density

How richly the API is illustrated with examples.

100%

Example Validity

Percentage of examples that conform to their schemas.

46%

Response Coverage

Percentage of operations with complete response definitions (success, client error, server error).

100%

Tooling Readiness

Health of API ingestion, bundling, and resolution within Jentic pipelines.

50

AI-Readiness & Agent Experience

Semantic breadth, depth, and agent comprehension for AI systems.

Grade: C-Signals: 4
31%

Description Coverage

Coverage of descriptions across API elements.

0%

Error Standardization

Coverage of RFC 9457 Problem Details for error responses.

100%

OperationId Quality

Coverage, uniqueness, and casing consistency of operationIds for AI inference.

70%

Summary Coverage

Coverage of summaries across operations/tags/info.

94

Agent Usability

Functional utility, complexity comfort, and AI orchestration readiness.

Grade: A+Signals: 1
94%

Complexity Comfort

Agent comfort level based on API operational and structural complexity.

75

Security

Trust, risk posture, and security compliance.

Grade: A-Signals: 1
75%

Authentication Strength

Average quality of security schemes based on authentication method strength (weakest link for OAuth2).

100

AI Discoverability

Findability, semantic richness, and reasoning readiness.

Grade: A+Signals: 1
100%

Descriptive Richness

Clarity and depth of descriptions across API elements.

View full reportHow the score is calculatedMore about the dimensions

Score it yourself

Every API in the directory is allowlisted, so you can re-score it with no key required.

Score your own APIScoring CLI agent skill
npx @jentic/api-scorecard-cli score <openapi-url>

Why Jentic?

What agents get from Jentic-routed access to this vendor.

Setup

Wiring the Microsoft To Do API by hand means running the Microsoft Graph OAuth 2.0 flow, managing the signed-in user's consent, and refreshing bearer tokens for the Graph host yourself. Through Jentic you install once, import the Microsoft To Do API from the API Directory, store the credentials once, and your agent calls it.

Permission scoping

Graph puts the task list in the URL path (/me/todo/lists/{todoTaskListId}/tasks), so a rule can pin your agent to one task list. You choose the operations it may call, so deleting or renaming a list is not included unless you add it.

Credential isolation

Your Microsoft Graph bearer and refresh tokens are stored once, encrypted, by your own Jentic One instance and injected into the Authorization header at execution time. They never enter the agent's prompt, logs, or context.

Intent-based discovery

Agents search Jentic by intent such as 'create a task in Microsoft To Do' or 'list my task lists', and Jentic returns the matching Graph operation with its input schema so the agent calls the right endpoint without browsing the reference docs.

Related APIs

Alternatives and complements available in the Jentic catalogue.

Alternative

Google Tasks API

→

Google's equivalent personal task list API across the Google Workspace user base.

Choose Google Tasks when the user signs in with a Google account; choose Microsoft To Do when the user is in the Microsoft 365 ecosystem.

Complementary

Asana API

→

Team and project task management for handing off personal action items into shared projects.

Use alongside Microsoft To Do when an agent needs to escalate a personal task into a tracked project task with assignees and due dates.

Alternative

ClickUp API

→

Cross-functional task and project platform with richer hierarchy than personal task lists.

Pick ClickUp when the user needs project-level structure (spaces, lists, sprints); pick Microsoft To Do for individual day-to-day tasks.

FAQs

Specific to using Microsoft To Do API (Graph) API through Jentic.

Why is there no official OpenAPI spec for Microsoft To Do API (Graph)?

Microsoft Azure does not publish a dedicated OpenAPI specification for the To Do surface of Microsoft Graph. Jentic generates and maintains this spec so that AI agents and developers can call Microsoft To Do API (Graph) via structured tooling. It is validated against the live Microsoft Graph API and kept up to date. Get started with Jentic One, the self-hosted execution layer.

What authentication does the Microsoft To Do API use?

The API uses OAuth 2.0 bearer tokens issued by Microsoft identity platform, sent in the standard Authorization header as configured by the bearerAuth scheme. The token must be granted Tasks.ReadWrite delegated permission for the signed-in user. Through Jentic, the bearer token is held in the encrypted vault and never exposed to the agent's context.

Can I create checklist items under a task with this API?

Yes. After creating a task with POST /me/todo/lists/{todoTaskListId}/tasks, you can add granular subtasks using the checklist items endpoints under that task. The same data appears as the in-app checklist beneath the task in Microsoft To Do.

What are the rate limits for the Microsoft To Do API?

Microsoft Graph applies per-app and per-user throttling limits documented under the Graph throttling guidance. To Do operations fall under the Outlook service limits, typically 10,000 requests per 10 minutes per app per mailbox. Expect a 429 response with a Retry-After header when limits are hit.

How do I create a task in Microsoft To Do through Jentic?

Run pip install jentic, then use the Python SDK to search for 'create a task in microsoft to do', load the schema for POST /me/todo/lists/{todoTaskListId}/tasks, and execute with the list id and task body. Jentic injects the scoped Graph token automatically.

Does this API cover team or shared task lists?

No. The endpoints in this spec target /me/todo, which is the signed-in user's personal To Do data. For team task management on the same Graph, use Microsoft Planner or Microsoft Teams APIs instead.

Can I limit what my agent is allowed to do with the Microsoft To Do API?

Yes. Because you run Jentic One yourself, your own rules decide which Microsoft Graph To Do operations the agent may call, so you can allow it to create and read tasks while withholding operations like DELETE /me/todo/lists/{todoTaskListId} that rename or delete a list. Since Graph puts the list in the URL path (/me/todo/lists/{todoTaskListId}/tasks), a rule can pin the agent to a single task list rather than the whole account. The scoped Graph bearer token stays in your instance and is injected only for the operations you permit, so the agent never sees the raw credential.

GET STARTED

Start building with Microsoft To Do API (Graph) API

Explore with Jentic One
View OpenAPI Document