Juno Chat

Juno (junocompanion.com), operated by SharedGenes, Inc., is a Y Combinator-backed (P26) consumer digital-health startup building an AI personal health assistant for the 1B+ people living with chronic illness. The Juno mobile app (iOS and Android) builds a longitudinal health profile through conversation, biometrics, and medical history to deliver personalized symptom guidance, automated symptom tracking by text or voice, trigger-pattern identification, and appointment-ready reports for clinicians. It supports conditions including fibromyalgia, long COVID, POTS, ME/CFS, EDS, endometriosis, lupus, and MS, and is informed by research from Oxford and UCL plus 1,000+ patient interviews. Founded in 2025 by Marshall Gould (CEO) and Isaac Tolley (CTO); HIPAA-aligned infrastructure with no health data sold. Juno is a consumer app and does not currently publish a public developer API, SDKs, or API documentation.

Juno Chat is profiled on the APIs.io network. Tagged areas include Company, Digital Health, Chronic Illness, AI Health Assistant, and Symptom Tracking.

Juno Chat’s developer surface includes engineering blog, signup flow, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

14.0/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyDigital HealthChronic IllnessAI Health AssistantSymptom TrackingConsumer HealthMobile AppY Combinator

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 14.0/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.4 / 20

Commercial Clarity 6.8 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 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/juno-chat: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

SignUp

SignUp

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 4

The organization behind the API

Website

Website

Blog

Blog

LinkedIn

Instagram

Instagram

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: juno-chat
name: Juno Chat
description: Juno (junocompanion.com), operated by SharedGenes, Inc., is a Y Combinator-backed (P26) consumer digital-health
  startup building an AI personal health assistant for the 1B+ people living with chronic illness. The Juno mobile app (iOS
  and Android) builds a longitudinal health profile through conversation, biometrics, and medical history to deliver personalized
  symptom guidance, automated symptom tracking by text or voice, trigger-pattern identification, and appointment-ready reports
  for clinicians. It supports conditions including fibromyalgia, long COVID, POTS, ME/CFS, EDS, endometriosis, lupus, and
  MS, and is informed by research from Oxford and UCL plus 1,000+ patient interviews. Founded in 2025 by Marshall Gould (CEO)
  and Isaac Tolley (CTO); HIPAA-aligned infrastructure with no health data sold. Juno is a consumer app and does not currently
  publish a public developer API, SDKs, or API documentation.
url: https://raw.githubusercontent.com/api-evangelist/juno-chat/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
x-tier: stub
x-tier-reason: portfolio-lead
x-legal-entity: SharedGenes, Inc.
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://junocompanion.com/favicon.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Digital Health
- Chronic Illness
- AI Health Assistant
- Symptom Tracking
- Consumer Health
- Mobile App
- Y Combinator
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://junocompanion.com/
- type: Blog
  url: https://junocompanion.com/blog
- type: PrivacyPolicy
  url: https://junocompanion.com/privacy
- type: TermsOfService
  url: https://junocompanion.com/terms
- type: SignUp
  url: https://apps.apple.com/app/juno-chronic-illness-support/id6749455368
- type: X
  url: https://x.com/junocompanion
- type: LinkedIn
  url: https://www.linkedin.com/company/junochat/
- type: Instagram
  url: https://www.instagram.com/junocompanion/
- type: DomainSecurity
  url: security/juno-chat-domain-security.yml
apis: []
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence