# Plane

**Canonical:** https://apis.io/providers/plane-so/  
**Website:** https://plane.so  
**APIs profiled:** 11

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.

## Kin Score — 37.2 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 37.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 49.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 47.4 |
| Access Clarity | 47.4 |

## Agent readiness — 19.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (11)

- **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.

## Agentic access (1)

- **Plane So Agentic Access** — 48 operations · 29 acting

## Security (3)

- **Plane So Authentication** — apiKey · 1 scheme
- **Plane So Domain Security** — TLSv1.3 · HSTS · DMARC
- **Plane So Trust Center** — SOC 2, ISO 27001, HIPAA, GDPR

## Plans (1)

- **Plane So Plans Pricing**

## Tags

Project Management, Issue Tracking, Work Management, Open-Source, Productivity

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/plane-so/). Scores are computed from the provider's own public artifacts under a published rubric.