Microsoft 365

Microsoft 365 is Microsoft's productivity and collaboration suite, including Word, Excel, PowerPoint, Outlook, Teams, OneDrive, SharePoint, and OneNote, along with identity, security, and device management services. Developers access Microsoft 365 data and intelligence programmatically through Microsoft Graph, a unified REST API that exposes users, mail, calendar, files, Teams messages, sites, devices, and more across the Microsoft cloud.

Microsoft 365 publishes 7 APIs on the APIs.io network, including Calendar API, Files API, Groups API, and 4 more. Tagged areas include Productivity, Collaboration, Email, Calendar, and Files.

Microsoft 365’s developer surface includes authentication, documentation, signup flow, pricing, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

33.0/100 thin ▬ flat Agent 28/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessSelf serve

9 APIs

ProductivityCollaborationEmailCalendarFilesIdentityMicrosoftMicrosoft Graph

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 33.0/100 · thin

Contract Quality 13.5 / 25

Developer Ergonomics 5.7 / 20

Commercial Clarity 3.7 / 20

Operational Transparency 2.7 / 13

Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 28/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/microsoft-365: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 9

Individual APIs this provider publishes, each with its own machine-readable definition.

GraphQL 1

GraphQL schemas published by this provider.

Scopes 1

OAuth scopes governing access to this provider's APIs.

Microsoft 365 Scopes

8 scopes · authorizationCode/clientCredentials

8 scopes

SCOPES

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Signup

Signup

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 6

Authentication, authorization, and security posture

TrustCenter

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

Authentication

OAuthScopes

Authentication

Operate 1

Status, limits, changes, and where to get help

StatusPage

StatusPage

Commercial 1

Pricing, plans, and the legal terms of use

Pricing

Pricing

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: microsoft-365
name: Microsoft 365
description: Microsoft 365 is Microsoft's productivity and collaboration suite, including Word, Excel, PowerPoint, Outlook,
  Teams, OneDrive, SharePoint, and OneNote, along with identity, security, and device management services. Developers access
  Microsoft 365 data and intelligence programmatically through Microsoft Graph, a unified REST API that exposes users, mail,
  calendar, files, Teams messages, sites, devices, and more across the Microsoft cloud.
type: Index
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/microsoft-365.png
tags:
- Productivity
- Collaboration
- Email
- Calendar
- Files
- Identity
- Microsoft
- Microsoft Graph
url: https://raw.githubusercontent.com/api-evangelist/microsoft-365/refs/heads/main/apis.yml
created: '2026-05-11'
modified: '2026-05-11'
specificationVersion: '0.19'
apis:
- aid: microsoft-365:graph-api
  name: Microsoft Graph API
  description: Unified REST API providing a single endpoint to access data and intelligence across Microsoft 365, Microsoft
    Entra ID, Windows, and Enterprise Mobility + Security. Supports OAuth 2.0 authentication and covers users, mail, calendar,
    contacts, files (OneDrive), Teams, SharePoint, OneNote, Planner, To Do, Excel, and security services.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Microsoft Graph
  - Users
  - Mail
  - Calendar
  - Files
  - Teams
  - SharePoint
  - Identity
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/graph/overview
  - type: APIReference
    url: https://learn.microsoft.com/en-us/graph/api/overview
  - type: Graph Explorer
    url: https://developer.microsoft.com/graph/graph-explorer
  - type: SDKs
    url: https://learn.microsoft.com/en-us/graph/sdks/sdks-overview
  - url: graphql/microsoft-365-graphql.md
    type: GraphQL
- aid: microsoft-365:graph-beta-api
  name: Microsoft Graph Beta API
  description: Beta endpoint of the Microsoft Graph API offering preview features and resources before they are promoted to
    v1.0, including additional insights, reporting, and management capabilities.
  humanURL: https://learn.microsoft.com/en-us/graph/use-the-api
  baseURL: https://graph.microsoft.com/beta
  tags:
  - Microsoft Graph
  - Beta
  - Preview
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/graph/use-the-api
- aid: microsoft-365:microsoft-365-calendar-api
  name: Microsoft 365 Calendar API
  description: The Calendar API from Microsoft 365 — 1 operation(s) for calendar.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Calendar
  properties:
  - type: OpenAPI
    url: openapi/microsoft-365-calendar-api-openapi.yml
- aid: microsoft-365:microsoft-365-files-api
  name: Microsoft 365 Files API
  description: The Files API from Microsoft 365 — 1 operation(s) for files.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Files
  properties:
  - type: OpenAPI
    url: openapi/microsoft-365-files-api-openapi.yml
- aid: microsoft-365:microsoft-365-groups-api
  name: Microsoft 365 Groups API
  description: The Groups API from Microsoft 365 — 3 operation(s) for groups.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Groups
  properties:
  - type: OpenAPI
    url: openapi/microsoft-365-groups-api-openapi.yml
- aid: microsoft-365:microsoft-365-mail-api
  name: Microsoft 365 Mail API
  description: The Mail API from Microsoft 365 — 1 operation(s) for mail.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Mail
  properties:
  - type: OpenAPI
    url: openapi/microsoft-365-mail-api-openapi.yml
- aid: microsoft-365:microsoft-365-me-api
  name: Microsoft 365 Me API
  description: The Me API from Microsoft 365 — 3 operation(s) for me.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Me
  properties:
  - type: OpenAPI
    url: openapi/microsoft-365-me-api-openapi.yml
- aid: microsoft-365:microsoft-365-teams-api
  name: Microsoft 365 Teams API
  description: The Teams API from Microsoft 365 — 2 operation(s) for teams.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Teams
  properties:
  - type: OpenAPI
    url: openapi/microsoft-365-teams-api-openapi.yml
- aid: microsoft-365:microsoft-365-users-api
  name: Microsoft 365 Users API
  description: The Users API from Microsoft 365 — 2 operation(s) for users.
  humanURL: https://learn.microsoft.com/en-us/graph/overview
  baseURL: https://graph.microsoft.com/v1.0
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/microsoft-365-users-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/microsoft-365-agentic-access.yml
- type: TrustCenter
  url: security/microsoft-365-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/microsoft-365-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/microsoft-365-domain-security.yml
- type: Authentication
  url: authentication/microsoft-365-authentication.yml
- type: OAuthScopes
  url: scopes/microsoft-365-scopes.yml
- type: LinkedIn
  url: https://www.linkedin.com/showcase/microsoft-365
- type: Website
  url: https://www.microsoft.com/microsoft-365
- type: DeveloperPortal
  url: https://developer.microsoft.com/microsoft-365
- type: Documentation
  url: https://learn.microsoft.com/en-us/graph
- type: Signup
  url: https://www.microsoft.com/microsoft-365/business/compare-all-plans
- type: Pricing
  url: https://www.microsoft.com/microsoft-365/business/compare-all-plans
- type: GitHubOrganization
  url: https://github.com/microsoftgraph
- type: Authentication
  url: https://learn.microsoft.com/en-us/graph/auth/auth-concepts
- type: StatusPage
  url: https://admin.microsoft.com/servicestatus
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Microsoft 365

Kin Score

APIs 9

Microsoft Graph API

Microsoft Graph Beta API

Microsoft 365 Calendar API

Microsoft 365 Files API

Microsoft 365 Groups API

Microsoft 365 Mail API

Microsoft 365 Me API

Microsoft 365 Teams API

Microsoft 365 Users API

Open Collections 1

Microsoft 365 (Microsoft Graph API)

GraphQL 1

Microsoft 365 GraphQL Schema

Security Posture 4

Microsoft 365 Authentication

Microsoft 365 Domain Security

Microsoft 365 Vulnerability Disclosure

Microsoft 365 Trust Center