Plane

Plane is an open-source project and product management tool for planning, tracking, and shipping work across workspaces, projects, cycles, and modules. It is available as a self-hosted Community Edition (AGPL v3.0) and as Plane Cloud, and exposes a REST API at https://api.plane.so/api/v1 secured with an X-API-Key header for managing projects, work items, cycles, modules, states, labels, and members.

Plane publishes 11 APIs on the APIs.io network, including Cycle Work Items API, Cycles API, Labels API, and 8 more. Tagged areas include Project Management, Issue Tracking, Work Management, Open Source, and Productivity.

Plane’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
38.7/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
11 APIs
Project ManagementIssue TrackingWork ManagementOpen SourceProductivity

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 38.7/100 · thin
Contract Quality 14.1 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · 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 7 / 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/plane-so: 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 11

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

Plane Cycle Work Items API

The Cycle Work Items API from Plane — 3 operation(s) for cycle work items.

Plane Cycles API

The Cycles API from Plane — 2 operation(s) for cycles.

Plane Labels API

The Labels API from Plane — 2 operation(s) for labels.

Plane Members API

The Members API from Plane — 1 operation(s) for members.

Plane Module Work Items API

The Module Work Items API from Plane — 2 operation(s) for module work items.

Plane Modules API

The Modules API from Plane — 2 operation(s) for modules.

Plane Projects API

The Projects API from Plane — 2 operation(s) for projects.

Plane States API

The States API from Plane — 2 operation(s) for states.

Plane Work Item Comments API

The Work Item Comments API from Plane — 2 operation(s) for work item comments.

Plane Work Item Links API

The Work Item Links API from Plane — 2 operation(s) for work item links.

Plane Work Items API

The Work Items API from Plane — 2 operation(s) for work items.

Scroll for all 11

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Plane API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Plane So Plans Pricing

6 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Plane So Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Plane So Finops

FINOPS

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Plane So Authentication

apiKey · 1 scheme

SECURITY

Plane So Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Plane So Trust Center

SOC 2, ISO 27001, HIPAA, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Plane So Agentic Access

48 operations · 29 acting

48 operations · 29 acting

AGENTIC

Resources

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 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: plane-so
url: https://raw.githubusercontent.com/api-evangelist/plane-so/refs/heads/main/apis.yml
name: Plane
kind: company
description: Plane is an open-source project and product management tool for planning, tracking, and shipping work across
  workspaces, projects, cycles, and modules. It is available as a self-hosted Community Edition (AGPL v3.0) and as Plane Cloud,
  and exposes a REST API at https://api.plane.so/api/v1 secured with an X-API-Key header for managing projects, work items,
  cycles, modules, states, labels, and members.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/plane-so.png
tags:
- Project Management
- Issue Tracking
- Work Management
- Open Source
- Productivity
created: '2026-06-21'
modified: '2026-06-21'
specificationVersion: '0.19'
apis:
- aid: plane-so:plane-so-cycle-work-items-api
  name: Plane Cycle Work Items API
  description: The Cycle Work Items API from Plane — 3 operation(s) for cycle work items.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Cycle Work Items
  properties:
  - type: OpenAPI
    url: openapi/plane-so-cycle-work-items-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-cycles-api
  name: Plane Cycles API
  description: The Cycles API from Plane — 2 operation(s) for cycles.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Cycles
  properties:
  - type: OpenAPI
    url: openapi/plane-so-cycles-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-labels-api
  name: Plane Labels API
  description: The Labels API from Plane — 2 operation(s) for labels.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Labels
  properties:
  - type: OpenAPI
    url: openapi/plane-so-labels-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-members-api
  name: Plane Members API
  description: The Members API from Plane — 1 operation(s) for members.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Members
  properties:
  - type: OpenAPI
    url: openapi/plane-so-members-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-module-work-items-api
  name: Plane Module Work Items API
  description: The Module Work Items API from Plane — 2 operation(s) for module work items.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Module Work Items
  properties:
  - type: OpenAPI
    url: openapi/plane-so-module-work-items-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-modules-api
  name: Plane Modules API
  description: The Modules API from Plane — 2 operation(s) for modules.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Modules
  properties:
  - type: OpenAPI
    url: openapi/plane-so-modules-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-projects-api
  name: Plane Projects API
  description: The Projects API from Plane — 2 operation(s) for projects.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/plane-so-projects-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-states-api
  name: Plane States API
  description: The States API from Plane — 2 operation(s) for states.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - States
  properties:
  - type: OpenAPI
    url: openapi/plane-so-states-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-work-item-comments-api
  name: Plane Work Item Comments API
  description: The Work Item Comments API from Plane — 2 operation(s) for work item comments.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Work Item Comments
  properties:
  - type: OpenAPI
    url: openapi/plane-so-work-item-comments-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-work-item-links-api
  name: Plane Work Item Links API
  description: The Work Item Links API from Plane — 2 operation(s) for work item links.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Work Item Links
  properties:
  - type: OpenAPI
    url: openapi/plane-so-work-item-links-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
- aid: plane-so:plane-so-work-items-api
  name: Plane Work Items API
  description: The Work Items API from Plane — 2 operation(s) for work items.
  humanURL: https://developers.plane.so/api-reference/project/overview
  baseURL: https://api.plane.so/api/v1
  tags:
  - Work Items
  properties:
  - type: OpenAPI
    url: openapi/plane-so-work-items-api-openapi.yml
  - type: Documentation
    url: https://developers.plane.so/api-reference/project/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/introduction
  - type: PostmanCollection
    url: collections/plane-so.postman_collection.json
  - type: OpenCollection
    url: collections/plane-so.opencollection.json
  - type: Documentation
    url: https://developers.plane.so/api-reference/issue/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/cycle/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/module/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/state/overview
  - type: APIReference
    url: https://developers.plane.so/api-reference/label/overview
  - type: Documentation
    url: https://developers.plane.so/api-reference/member/overview
common:
- type: AgenticAccess
  url: agentic-access/plane-so-agentic-access.yml
- type: TrustCenter
  url: security/plane-so-trust-center.yml
- type: DomainSecurity
  url: security/plane-so-domain-security.yml
- type: Authentication
  url: authentication/plane-so-authentication.yml
- type: GitHubOrganization
  url: https://github.com/makeplane
- type: LinkedIn
  url: https://www.linkedin.com/company/planepowers
- type: Website
  url: https://plane.so
- type: Documentation
  url: https://developers.plane.so
- type: Plans
  url: plans/plane-so-plans-pricing.yml
- type: RateLimits
  url: rate-limits/plane-so-rate-limits.yml
- type: FinOps
  url: finops/plane-so-finops.yml
- url: https://plane.so/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com