Function Health

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-authorized integrations configured in the app, not a developer API that third parties can build against.

GitHub OpenAPI

Documentation

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Documentation
https://www.functionhealth.com/faqs/does-function-integrate-with-oura-fitbit-apple-health-or-other-health-services

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/function-health/refs/heads/main/openapi/function-health-openapi.yml

OpenAPI Specification

function-health-openapi.yml Raw ↑ 
openapi: 3.0.1
info:
  title: Function Health API
  description: >-
    Function Health is a consumer longevity and preventive-health membership.
    As of this catalog Function Health does not publish a public, partner, or
    developer API. Member lab data is accessed only through the authenticated
    member dashboard (my.functionhealth.com), a manual PDF export, in-product
    Connected Apps for member-authorized wearable sync, and an opt-in ChatGPT
    app that shares a high-level summary of results. This OpenAPI document is
    intentionally pathless: no programmatic HTTP endpoints are documented by
    the provider, so none are asserted here. It exists as a placeholder so the
    catalog remains consistent and can be reconciled if Function Health
    publishes an API in the future.
  termsOfService: https://www.functionhealth.com/legal
  contact:
    name: Function Health
    url: https://www.functionhealth.com
  version: '0.0'
servers:
  - url: https://www.functionhealth.com
    description: Function Health marketing and member sign-in site. No documented API base path.
paths: {}
components:
  schemas: {}