Mainspring Energy website screenshot

Mainspring Energy

Mainspring Energy is a power generation company that designs and manufactures the Linear Generator, a fuel-flexible, dispatchable distributed power system that converts natural gas, biogas, propane, or hydrogen directly into electricity through a low-temperature, flameless reaction. The modular, factory-built systems deliver firm, flexible onsite power with near-zero NOx emissions and roughly 46% electrical efficiency across deployment scales, targeting data centers, utilities, enterprises, and industrial operations. Mainspring is a venture-backed hardware and energy-infrastructure company (backed by DCVC and General Catalyst) and does not currently publish a public API, developer portal, or SDK; this profile is maintained in the API Evangelist network as a company record.

Mainspring Energy is profiled on the APIs.io network. Tagged areas include Company, Energy, Power Generation, Clean Energy, and Distributed Energy.

Mainspring Energy’s developer surface includes engineering blog, support, and 2 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
CompanyEnergyPower GenerationClean EnergyDistributed EnergyLinear GeneratorData Center PowerHardware

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/mainspring-energy: 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.

Mainspring Energy Domain Security

TLSv1.3 · HSTS · DMARC

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 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: mainspring-energy
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/mainspring-energy.png
name: Mainspring Energy
description: Mainspring Energy is a power generation company that designs and manufactures the Linear Generator, a fuel-flexible,
  dispatchable distributed power system that converts natural gas, biogas, propane, or hydrogen directly into electricity
  through a low-temperature, flameless reaction. The modular, factory-built systems deliver firm, flexible onsite power with
  near-zero NOx emissions and roughly 46% electrical efficiency across deployment scales, targeting data centers, utilities,
  enterprises, and industrial operations. Mainspring is a venture-backed hardware and energy-infrastructure company (backed
  by DCVC and General Catalyst) and does not currently publish a public API, developer portal, or SDK; this profile is maintained
  in the API Evangelist network as a company record.
url: https://raw.githubusercontent.com/api-evangelist/mainspring-energy/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- dcvc
- general-catalyst
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Energy
- Power Generation
- Clean Energy
- Distributed Energy
- Linear Generator
- Data Center Power
- Hardware
apis: []
common:
- type: DomainSecurity
  url: security/mainspring-energy-domain-security.yml
- type: Website
  url: https://www.mainspringenergy.com/
- type: Blog
  url: https://www.mainspringenergy.com/news-perspectives
- type: Support
  url: https://www.mainspringenergy.com/contact
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