Astral Systems website screenshot

Astral Systems

Astral Systems is a fusion-technology company based in Bristol, United Kingdom, developing Multi-State Fusion (MSF) reactors that produce high-flux neutron sources on demand. Co-founded by Talmon Firestone (CEO) and Dr. Tom Wallace-Smith (CTO), the company applies compact, modular fusion to near-term problems: large-scale medical isotope production to address the global isotope shortage affecting cancer diagnosis and treatment, spent fission fuel analysis, neutronics research, industrial neutron irradiation and accelerated lifetime testing, materials-damage testing, nuclear-waste burnup, and hybrid fission/fusion power. It is a Speedinvest deep-tech portfolio company. Astral Systems is a hardware/deep-tech provider and does not currently publish a public API, developer portal, or machine-readable API specifications.

Astral Systems is profiled on the APIs.io network. Tagged areas include Company, Fusion, Nuclear, Medical Isotopes, and Neutron Services.

Astral Systems’ developer surface includes support, engineering blog, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
8.1/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyFusionNuclearMedical IsotopesNeutron ServicesDeep TechEnergyHardware

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 8.1/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.3 / 20
Commercial Clarity 0.0 / 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/astral-systems: 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.

Astral Systems Domain Security

TLSv1.3 · HSTS

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Company 4

The organization behind the API

Website
Website
 About
About
 Blog
Blog
 LinkedIn
LinkedIn

Source (apis.yml)

apis.yml Raw ↑ 
aid: astral-systems
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/astral-systems.png
name: Astral Systems
description: 'Astral Systems is a fusion-technology company based in Bristol, United Kingdom, developing Multi-State Fusion
  (MSF) reactors that produce high-flux neutron sources on demand. Co-founded by Talmon Firestone (CEO) and Dr. Tom Wallace-Smith
  (CTO), the company applies compact, modular fusion to near-term problems: large-scale medical isotope production to address
  the global isotope shortage affecting cancer diagnosis and treatment, spent fission fuel analysis, neutronics research,
  industrial neutron irradiation and accelerated lifetime testing, materials-damage testing, nuclear-waste burnup, and hybrid
  fission/fusion power. It is a Speedinvest deep-tech portfolio company. Astral Systems is a hardware/deep-tech provider and
  does not currently publish a public API, developer portal, or machine-readable API specifications.'
url: https://raw.githubusercontent.com/api-evangelist/astral-systems/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- speedinvest
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Fusion
- Nuclear
- Medical Isotopes
- Neutron Services
- Deep Tech
- Energy
- Hardware
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://astralsystems.com
- type: About
  url: https://astralsystems.com/about-astral
- type: Support
  url: https://astralsystems.com/contact-us
- type: Blog
  url: https://astralsystems.com/news-and-media
- type: LinkedIn
  url: https://www.linkedin.com/company/astralsystems/
- type: DomainSecurity
  url: security/astral-systems-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence