Janssen Pharmaceuticals website screenshot

Janssen Pharmaceuticals

Janssen Pharmaceuticals was a Belgian pharmaceutical company founded in 1953 by Paul Janssen and acquired by Johnson & Johnson in 1961. The company specialized in psychiatry, neurology, oncology, immunology, and infectious disease medicines, developing approximately 70 new active pharmaceutical substances over its history. In 2024 the Janssen brand was retired and the pharmaceutical operations were rebranded as Johnson & Johnson Innovative Medicine. As such, Janssen no longer operates as a standalone brand and does not maintain its own public APIs.

Janssen Pharmaceuticals is profiled on the APIs.io network. Tagged areas include Defunct Brand, Healthcare, Johnson & Johnson, and Pharmaceutical.

🌐 Visit website 📡 Source on GitHub
6.6/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
Defunct BrandHealthcareJohnson & JohnsonPharmaceutical

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 6.6/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 5.5 / 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/janssen: 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.

Janssen Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Other 1

Properties that don't map to a standard resource type

Wikipedia
Wikipedia

Source (apis.yml)

apis.yml Raw ↑ 
aid: janssen
name: Janssen Pharmaceuticals
description: Janssen Pharmaceuticals was a Belgian pharmaceutical company founded in 1953 by Paul Janssen and acquired by
  Johnson & Johnson in 1961. The company specialized in psychiatry, neurology, oncology, immunology, and infectious disease
  medicines, developing approximately 70 new active pharmaceutical substances over its history. In 2024 the Janssen brand
  was retired and the pharmaceutical operations were rebranded as Johnson & Johnson Innovative Medicine. As such, Janssen
  no longer operates as a standalone brand and does not maintain its own public APIs.
type: Index
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/janssen.png
tags:
- Defunct Brand
- Healthcare
- Johnson & Johnson
- Pharmaceutical
created: '2026-03-16'
modified: '2026-04-28'
url: https://raw.githubusercontent.com/api-evangelist/janssen/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/janssen-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/janssen-pharmaceutical-companies-of-johnson-and-johnson
- type: Website
  name: J&J Innovative Medicine
  description: Successor brand to Janssen Pharmaceuticals under Johnson & Johnson.
  url: https://www.jnj.com/innovative-medicine
- type: Wikipedia
  name: Janssen Pharmaceuticals Wikipedia
  description: Historical reference for Janssen Pharmaceuticals.
  url: https://en.wikipedia.org/wiki/Janssen_Pharmaceuticals
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com