Heart Aerospace

Heart Aerospace is a hybrid-electric aircraft manufacturer founded in 2019 and headquartered in Torrance / Los Angeles, California, working to decarbonize and lower the cost of regional air travel. The company is developing the X1, a full-scale hybrid-electric technology demonstrator, and the ES-30, a 30-seat regional production aircraft, backed by strategic airline partners including United Airlines and Air Canada and investors such as Breakthrough Energy Ventures, Lowercarbon Capital, EQT Ventures, and Y Combinator. Heart Aerospace publishes no public developer or API surface; this profile tracks the company as an API Evangelist network entry in the sustainable-transport sector.

Heart Aerospace is profiled on the APIs.io network. Tagged areas include Company, Sustainable Transport, Aviation, Aerospace, and Electric Aircraft.

Heart Aerospace’s developer surface includes engineering blog, support, and 5 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

CompanySustainable TransportAviationAerospaceElectric AircraftRegional AviationClimate Tech

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/heart-aerospace: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Company 5

The organization behind the API

Website

Blog

About

Careers

LinkedIn

Source (apis.yml)

aid: heart-aerospace
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/heart-aerospace.png
name: Heart Aerospace
description: Heart Aerospace is a hybrid-electric aircraft manufacturer founded in 2019 and headquartered in Torrance / Los
  Angeles, California, working to decarbonize and lower the cost of regional air travel. The company is developing the X1,
  a full-scale hybrid-electric technology demonstrator, and the ES-30, a 30-seat regional production aircraft, backed by strategic
  airline partners including United Airlines and Air Canada and investors such as Breakthrough Energy Ventures, Lowercarbon
  Capital, EQT Ventures, and Y Combinator. Heart Aerospace publishes no public developer or API surface; this profile tracks
  the company as an API Evangelist network entry in the sustainable-transport sector.
url: https://raw.githubusercontent.com/api-evangelist/heart-aerospace/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- eqt-ventures
x-tier: stub
x-tier-reason: portfolio-lead
x-api-surface: none
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Sustainable Transport
- Aviation
- Aerospace
- Electric Aircraft
- Regional Aviation
- Climate Tech
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/heart-aerospace-domain-security.yml
- type: Website
  url: https://heartaerospace.com/
- type: Blog
  url: https://heartaerospace.com/newsroom
- type: Support
  url: https://heartaerospace.com/contact
- type: About
  url: https://heartaerospace.com/company
- type: Careers
  url: https://heartaerospace.com/careers
- type: LinkedIn
  url: https://www.linkedin.com/company/heart-aerospace
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Heart Aerospace

Kin Score

Security Posture 1

Heart Aerospace Domain Security

Resources

Access & Security 1

Operate 1

Company 5

Source (apis.yml)