Big Health website screenshot

Big Health

Big Health is a digital mental health company that develops evidence-based digital therapeutics for common mental health conditions. Its products include SleepioRx and DaylightRx, FDA-cleared prescription digital therapeutics for insomnia and generalized anxiety disorder, alongside the consumer apps Sleepio, Daylight, and Spark Direct. Big Health sells to health systems and providers, health plans, and employers rather than through a public developer program; it currently exposes no public API, developer portal, or SDK. Backed by Index Ventures and SoftBank Vision Fund.

Big Health is profiled on the APIs.io network. Tagged areas include Company, Healthcare, Mental Health, Digital Therapeutics, and Digital Health.

Big Health’s developer surface includes engineering blog and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub
11.2/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyHealthcareMental HealthDigital TherapeuticsDigital HealthBehavioral HealthWellness

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 11.2/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 2.1 / 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/big-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 →

Security Posture 1

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

Big Health Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: big-health
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/big-health.png
name: Big Health
description: Big Health is a digital mental health company that develops evidence-based digital therapeutics for common mental
  health conditions. Its products include SleepioRx and DaylightRx, FDA-cleared prescription digital therapeutics for insomnia
  and generalized anxiety disorder, alongside the consumer apps Sleepio, Daylight, and Spark Direct. Big Health sells to health
  systems and providers, health plans, and employers rather than through a public developer program; it currently exposes
  no public API, developer portal, or SDK. Backed by Index Ventures and SoftBank Vision Fund.
url: https://raw.githubusercontent.com/api-evangelist/big-health/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- index-ventures
- softbank-vision-fund
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Healthcare
- Mental Health
- Digital Therapeutics
- Digital Health
- Behavioral Health
- Wellness
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.bighealth.com
- type: Blog
  url: https://www.bighealth.com/blog
- type: PrivacyPolicy
  url: https://privacy.bighealth.com/policies?name=privacy-notice
- type: DomainSecurity
  url: security/big-health-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence