Proxima Fusion

Proxima Fusion is a Munich-based fusion energy company building the first generation of commercial fusion power plants using quasi-isodynamic (QI) stellarators. Spun out of the Max Planck Institute for Plasma Physics, the company is developing Stellaris, a stellarator power plant concept, with milestones that include a Stellarator Model Coil and an Alpha demonstration stellarator on the path to grid-scale fusion energy. Proxima Fusion is a privately held deep-tech startup and does not currently publish a public API, developer portal, SDK, or machine-readable API surface; this profile captures its identity and public web properties for the API Evangelist network.

Proxima Fusion is profiled on the APIs.io network. Tagged areas include Company, Fusion Energy, Energy, Deep Tech, and Stellarator.

Proxima Fusion’s developer surface includes engineering blog and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
11.4/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyFusion EnergyEnergyDeep TechStellaratorClean EnergyClimate

Kin Score

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scored 2026-07-27 · rubric v0.5
Composite quality — 11.4/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 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
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/proxima-fusion: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Proxima Fusion Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy
 TermsOfService
TermsOfService

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: proxima-fusion
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/proxima-fusion.png
name: Proxima Fusion
description: Proxima Fusion is a Munich-based fusion energy company building the first generation of commercial fusion power
  plants using quasi-isodynamic (QI) stellarators. Spun out of the Max Planck Institute for Plasma Physics, the company is
  developing Stellaris, a stellarator power plant concept, with milestones that include a Stellarator Model Coil and an Alpha
  demonstration stellarator on the path to grid-scale fusion energy. Proxima Fusion is a privately held deep-tech startup
  and does not currently publish a public API, developer portal, SDK, or machine-readable API surface; this profile captures
  its identity and public web properties for the API Evangelist network.
url: https://raw.githubusercontent.com/api-evangelist/proxima-fusion/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- lightspeed-venture-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Fusion Energy
- Energy
- Deep Tech
- Stellarator
- Clean Energy
- Climate
apis: []
common:
- type: Website
  url: https://www.proximafusion.com
- type: Blog
  url: https://www.proximafusion.com/press-news
- type: PrivacyPolicy
  url: https://www.proximafusion.com/privacy-policy
- type: TermsOfService
  url: https://www.proximafusion.com/imprint
- type: DomainSecurity
  url: security/proxima-fusion-domain-security.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 1
  pass: local-v1