Function Health

Function Health is a consumer longevity and preventive-health membership that runs 100+ lab biomarkers twice a year through Quest Diagnostics, adds clinician review, a biological age calculation, and an AI health companion via a web and mobile dashboard. As of this catalog Function Health does not publish a public or partner developer API; member data is accessed through the member dashboard, PDF export, in-product Connected Apps (wearable sync), and an opt-in ChatGPT app that shares a high-level summary of results.

Function Health publishes 4 APIs on the APIs.io network, including Member Dashboard, Results Export, Connected Apps, and 1 more. Tagged areas include Health, Longevity, Lab Testing, Biomarkers, and Preventive Health.

Function Health’s developer surface includes documentation and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
24.5/100 emerging ▬ flat Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessPaid
4 APIs
HealthLongevityLab TestingBiomarkersPreventive HealthConsumer Health

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 24.5/100 · emerging
Contract Quality 8.1 / 25
Developer Ergonomics 1.7 / 20
Commercial Clarity 7.4 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 6.5 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 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 7 / 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/function-health: 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 4

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

Function Health Member Dashboard

Authenticated member web and mobile dashboard for viewing 100+ lab biomarkers, trends across testing rounds, clinician notes, biological age, and a personalized action plan. The...

Function Health Results Export

Member-initiated PDF export of lab results from the documents area of the dashboard. This is a manual download for data portability, not a programmatic API; third-party trackers...

Function Health Connected Apps

In-product Connected Apps let members link supported consumer health services (e.g. wearables and Apple Health) to sync data into Function. These are pre-built, member-authorize...

Function Health ChatGPT App

An opt-in app within ChatGPT through which a member can authorize secure access to a limited, high-level summary of their lab results, with the ability to revoke access at any t...

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Function Health API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Function Health Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Function Health Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Function Health Finops

FINOPS

Security Posture 2

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

Function Health Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Function Health Trust Center

SOC 2, HIPAA

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Access & Security 2

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: function-health
url: https://raw.githubusercontent.com/api-evangelist/function-health/refs/heads/main/apis.yml
name: Function Health
kind: company
description: Function Health is a consumer longevity and preventive-health membership that runs 100+ lab biomarkers twice
  a year through Quest Diagnostics, adds clinician review, a biological age calculation, and an AI health companion via a
  web and mobile dashboard. As of this catalog Function Health does not publish a public or partner developer API; member
  data is accessed through the member dashboard, PDF export, in-product Connected Apps (wearable sync), and an opt-in ChatGPT
  app that shares a high-level summary of results.
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/function-health.png
tags:
- Health
- Longevity
- Lab Testing
- Biomarkers
- Preventive Health
- Consumer Health
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: function-health:function-health-member-dashboard
  name: Function Health Member Dashboard
  tags:
  - Lab Results
  - Biomarkers
  - Dashboard
  - Consumer Health
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://my.functionhealth.com
  properties:
  - url: https://www.functionhealth.com
    type: Website
  - url: https://my.functionhealth.com/documents
    type: Signup
  - url: openapi/function-health-openapi.yml
    type: OpenAPI
  description: Authenticated member web and mobile dashboard for viewing 100+ lab biomarkers, trends across testing rounds,
    clinician notes, biological age, and a personalized action plan. There is no documented public API behind the dashboard;
    access is interactive only.
- aid: function-health:function-health-results-export
  name: Function Health Results Export
  tags:
  - Export
  - PDF
  - Lab Results
  - Data Portability
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://my.functionhealth.com/documents
  properties:
  - url: https://my.functionhealth.com/documents
    type: Documentation
  - url: openapi/function-health-openapi.yml
    type: OpenAPI
  description: Member-initiated PDF export of lab results from the documents area of the dashboard. This is a manual download
    for data portability, not a programmatic API; third-party trackers import the resulting PDF.
- aid: function-health:function-health-connected-apps
  name: Function Health Connected Apps
  tags:
  - Integrations
  - Wearables
  - Connected Apps
  - Data Sync
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.functionhealth.com/faqs/does-function-integrate-with-oura-fitbit-apple-health-or-other-health-services
  properties:
  - url: https://www.functionhealth.com/faqs/does-function-integrate-with-oura-fitbit-apple-health-or-other-health-services
    type: Documentation
  - url: openapi/function-health-openapi.yml
    type: OpenAPI
  description: In-product Connected Apps let members link supported consumer health services (e.g. wearables and Apple Health)
    to sync data into Function. These are pre-built, member-authorized integrations configured in the app, not a developer
    API that third parties can build against.
- aid: function-health:function-health-chatgpt-app
  name: Function Health ChatGPT App
  tags:
  - ChatGPT
  - AI
  - Data Sharing
  - Member Authorized
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.functionhealth.com
  properties:
  - url: https://clpmag.com/lab-essentials/information-technology/function-health-integrates-lab-data-chatgpt-app/
    type: Documentation
  - url: openapi/function-health-openapi.yml
    type: OpenAPI
  description: An opt-in app within ChatGPT through which a member can authorize secure access to a limited, high-level summary
    of their lab results, with the ability to revoke access at any time. Surfaced through the ChatGPT app ecosystem; Function
    does not document a standalone public API for it.
common:
- type: TrustCenter
  url: security/function-health-trust-center.yml
- type: DomainSecurity
  url: security/function-health-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/function-health
- type: Website
  url: https://www.functionhealth.com
- type: Documentation
  url: https://www.functionhealth.com/faqs
- type: Plans
  url: plans/function-health-plans-pricing.yml
- type: RateLimits
  url: rate-limits/function-health-rate-limits.yml
- type: FinOps
  url: finops/function-health-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com