4C Medical Technologies

4C Medical Technologies, Inc. is a privately held, clinical-stage medical device company headquartered at 6655 Wedgwood Road North, Suite 160, Maple Grove, Minnesota, developing minimally invasive therapies for structural heart disease. Its lead product is the AltaValve System, a supra-annular transcatheter mitral valve replacement (TMVR) device delivered by transseptal or transapical catheter and designed to expand the treatable severe mitral regurgitation patient population, streamline the procedure and preserve the native mitral valve; the device is fully recapturable until released from the delivery catheter. AltaValve holds FDA Breakthrough Device designation and is enrolling the ATLAS global pivotal trial (NCT06465745) in the United States and Europe. The company closed a $175M Series D financing led by Boston Scientific in March 2025. It is a physical medical device manufacturer and publishes no developer program, public API, SDK or machine-readable API contract of any kind.

4C Medical Technologies is profiled on the APIs.io network. Tagged areas include Company, Medical Devices, Health, Cardiology, and Structural Heart.

4C Medical Technologies’ developer surface includes engineering blog and 2 more developer resources.

🌐 Visit website 📡 Source on GitHub

4.1/100 minimal ▬ flat Agent 0/100 human only Front door AI 1/6 silent Full breakdown ↓
scored 2026-09-25 · rubric v0.23.0

0 APIs

Company Medical Devices Health Cardiology Structural Heart Medical Technology Clinical Trials

Kin Score

Kin Score How this is scored →
scored 2026-09-25 · rubric v0.23.0

Composite quality — 4.1/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 0.4 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 4.1 / 9

Regulatory Posture 0.7 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Health regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/4c-medical-technologies: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Security Posture 1

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

4C Medical Technologies Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: 4c-medical-technologies
name: 4C Medical Technologies
description: 4C Medical Technologies, Inc. is a privately held, clinical-stage medical device company headquartered at 6655
  Wedgwood Road North, Suite 160, Maple Grove, Minnesota, developing minimally invasive therapies for structural heart disease.
  Its lead product is the AltaValve System, a supra-annular transcatheter mitral valve replacement (TMVR) device delivered
  by transseptal or transapical catheter and designed to expand the treatable severe mitral regurgitation patient population,
  streamline the procedure and preserve the native mitral valve; the device is fully recapturable until released from the
  delivery catheter. AltaValve holds FDA Breakthrough Device designation and is enrolling the ATLAS global pivotal trial (NCT06465745)
  in the United States and Europe. The company closed a $175M Series D financing led by Boston Scientific in March 2025. It
  is a physical medical device manufacturer and publishes no developer program, public API, SDK or machine-readable API contract
  of any kind.
image: https://static1.squarespace.com/static/5d44355a750fb500017eb6d6/t/5d4469ce32542a0001da654f/1663268739947/4C%2Blogo%2Bwhite.jpg?format=1500w
url: https://raw.githubusercontent.com/api-evangelist/4c-medical-technologies/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
x-tier: stub
x-tier-reason: no-api-surface
specificationVersion: '0.20'
created: '2026-09-05'
modified: '2026-09-05'
tags:
- Company
- Medical Devices
- Health
- Cardiology
- Structural Heart
- Medical Technology
- Clinical Trials
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/4c-medical-technologies-domain-security.yml
- type: Website
  url: https://www.4cmed.com/
- type: Blog
  url: https://www.4cmed.com/news
x-enrichment:
  date: '2026-09-05'
  status: minimal
  artifacts_added: 2
  pass: local-v3
x-coverage:
  state: none
  reason: not-a-software-company
  detail: 4C Medical Technologies is a clinical-stage cardiac device manufacturer whose product is a physical implant (the
    AltaValve TMVR system); its entire web presence is an 11-page Squarespace marketing site with no developer, docs, or API
    section, and api/developer/dev/ docs/portal.4cmed.com do not resolve in DNS.
  evidence:
  - url: https://www.4cmed.com/sitemap.xml
    status: 200
  - url: https://www.4cmed.com/.well-known/security.txt
    status: 404
  - url: https://www.4cmed.com/openapi.json
    status: 404
  - url: https://www.4cmed.com/.well-known/agent-card.json
    status: 404
  - url: https://api.github.com/orgs/4cmedical
    status: 404
  checked: '2026-09-05'

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