Kaiser Permanente website screenshot

Kaiser Permanente

One of the largest nonprofit health plans in the United States integrating health insurance with healthcare delivery. Serves over 12 million members through its network of hospitals, medical offices, and health plan services. Publishes a patient access FHIR API at kp.org/fhir in compliance with the CMS Interoperability and Patient Access Final Rule.

Kaiser Permanente publishes 1 API on the APIs.io network. Tagged areas include Healthcare, Insurance, Health Insurance, Hospitals, and FHIR.

Kaiser Permanente’s developer surface includes developer portal, engineering blog, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
8.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
1 APIs
HealthcareInsuranceHealth InsuranceHospitalsFHIRInteroperability

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 8.8/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 5.9 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
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
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/kaiser-permanente: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Kaiser Permanente Patient Access FHIR API

Kaiser Permanente provides a patient access FHIR API supporting the CMS Interoperability and Patient Access Final Rule. Authenticated members and their authorized third-party ap...

Security Posture 1

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

Kaiser Permanente Domain Security

TLSv1.2 · HSTS · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal
Portal

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: kaiser-permanente
url: https://raw.githubusercontent.com/api-evangelist/kaiser-permanente/refs/heads/main/apis.yml
name: Kaiser Permanente
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
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/kaiser-permanente.png
tags:
- Healthcare
- Insurance
- Health Insurance
- Hospitals
- FHIR
- Interoperability
description: One of the largest nonprofit health plans in the United States integrating health insurance with healthcare delivery.
  Serves over 12 million members through its network of hospitals, medical offices, and health plan services. Publishes a
  patient access FHIR API at kp.org/fhir in compliance with the CMS Interoperability and Patient Access Final Rule.
created: '2026-05-05'
modified: '2026-05-16'
specificationVersion: '0.19'
apis:
- aid: kaiser-permanente:kaiser-permanente-fhir
  name: Kaiser Permanente Patient Access FHIR API
  description: Kaiser Permanente provides a patient access FHIR API supporting the CMS Interoperability and Patient Access
    Final Rule. Authenticated members and their authorized third-party applications can retrieve clinical and claims data
    (encounters, conditions, medications, observations, allergies, coverage) through standards-based FHIR resources.
  humanURL: https://kp.org/fhir
  tags:
  - FHIR
  - Patient Access
  - Interoperability
  - CMS
  - Healthcare
  properties:
  - url: https://kp.org/fhir
    type: Portal
common:
- type: DomainSecurity
  url: security/kaiser-permanente-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/kaiserpermanente
- type: LinkedIn
  url: https://www.linkedin.com/company/kaiser-permanente
- type: Website
  url: https://www.kaiserpermanente.org/
- type: Portal
  url: https://kp.org/fhir
- url: https://about.kaiserpermanente.org/news
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com