Cassie

Cassie (Aircassie) develops advanced air filtration technology for healthcare and indoor environments. Its flagship CASSIE system uses patented filtration to eliminate mold, viruses, and bacteria with zero harmful emissions, contrasting with UV and ionizer systems that emit ozone. The company markets 99.9% effectiveness against viruses and bacteria, a 59-second disinfection cycle, and 24-hour air quality monitoring with real-time data. Cassie is a hardware and environmental-technology company backed by Techstars; it was added to the API Evangelist network as a portfolio lead. As of this enrichment pass it publishes a marketing website (Wix) with no public API, developer documentation, SDKs, or other machine-readable API artifacts.

Cassie is profiled on the APIs.io network. Tagged areas include Company, Air Filtration, Air Quality, Healthcare, and Environmental Technology.

Cassie’s developer surface includes support and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub
8.4/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.5
0 APIs
CompanyAir FiltrationAir QualityHealthcareEnvironmental TechnologyHardwareAir Quality MonitoringMedical Devices

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.5
Composite quality — 8.4/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.9 / 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/cassie: 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.

Cassie 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
 About
About

Source (apis.yml)

apis.yml Raw ↑ 
aid: cassie
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/cassie.png
name: Cassie
description: Cassie (Aircassie) develops advanced air filtration technology for healthcare and indoor environments. Its flagship
  CASSIE system uses patented filtration to eliminate mold, viruses, and bacteria with zero harmful emissions, contrasting
  with UV and ionizer systems that emit ozone. The company markets 99.9% effectiveness against viruses and bacteria, a 59-second
  disinfection cycle, and 24-hour air quality monitoring with real-time data. Cassie is a hardware and environmental-technology
  company backed by Techstars; it was added to the API Evangelist network as a portfolio lead. As of this enrichment pass
  it publishes a marketing website (Wix) with no public API, developer documentation, SDKs, or other machine-readable API
  artifacts.
url: https://raw.githubusercontent.com/api-evangelist/cassie/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- techstars
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Air Filtration
- Air Quality
- Healthcare
- Environmental Technology
- Hardware
- Air Quality Monitoring
- Medical Devices
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/cassie-domain-security.yml
- type: Website
  url: https://aircassie.com/
- type: About
  url: https://www.aircassie.com/about
- type: Support
  url: https://www.aircassie.com/contact-8
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence