Plane API
Plane — open-source, self-hostable project management and issue tracking platform (Linear/Jira alternative) with a REST API for managing projects, issues, cycles, and modules.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Apache 2.0 open source — auditable. Self-hosted for data sovereignty. SOC2 for cloud. GDPR compliant. API token with no scope granularity. EU data residency for cloud.
⚡ Reliability
Best When
Your engineering team needs an open-source, self-hosted Linear/Jira alternative with full API access and no per-seat licensing fees.
Avoid When
You need enterprise portfolio management, advanced reporting, or resource management — use Jira or Linear Cloud.
Use Cases
- • Agents creating and updating issues automatically when bugs are detected or user reports come in
- • Sprint planning automation — agents creating cycles, adding issues, and tracking sprint progress via Plane API
- • GitHub issue sync — agents bidirectionally syncing Plane issues with GitHub pull requests and commits
- • Analytics and reporting — agents querying Plane for team velocity, open issue counts, and project health metrics
- • Workflow automation — agents moving issues between states based on external events (CI failures, deployment completions)
Not For
- • Enterprise-scale project management with advanced portfolio features — use Jira or Monday for enterprise PMO needs
- • Teams needing real-time collaboration features — Plane is async-first, not real-time collaborative editing
- • Non-technical teams — Plane is developer-focused, not general business project management
Interface
Authentication
API token from Plane account settings. Bearer token in Authorization header. Workspace slug required in all endpoints. Self-hosted instances use same auth model.
Pricing
Open source under Apache 2.0 — self-hosted is completely free. Cloud free tier is generous with no major limitations for small teams.
Agent Metadata
Known Gotchas
- ⚠ Workspace slug is required in all API URLs — agents must store and use slug, not just workspace ID
- ⚠ Issue state IDs are workspace-specific — agents cannot assume same state IDs across different Plane instances
- ⚠ Self-hosted Plane API may lag cloud on new endpoints — check running version compatibility
- ⚠ Plane's real-time features use WebSocket — REST API is polling-based for state updates
- ⚠ File attachments require separate upload endpoint — not inline with issue creation
Alternatives
Full Evaluation Report
Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for Plane API.
Scores are editorial opinions as of 2026-03-06.