Data ownership · Research opt-in
Get paid for the health data you already generate.
Learn how voluntary health-data reward programs work, what Carthalis offers today — wellness tools plus optional research participation — and how you stay in control of what you share.
By Aziz Mezlini, PhD · Founder & Scientist, Carthalis · Updated 2026-05-25
This is one small piece of Carthalis. The app tracks 140+ insights from your own data — sleep, labs, nutrition, fitness and more — explains what they mean, and helps you act on what matters.
See everything Carthalis does →How health-data programs work
Getting paid for health data refers to voluntary, opt-in programs where people may receive incentives when they choose to share wellness information for approved uses. Most apps and health systems still use your data without sharing value back; reward programs flip that model when you explicitly consent. If you searched for how to get paid for sharing health data, or wondered can you get paid for health data through a health data rewards program, Carthalis keeps participation voluntary — wellness coaching first, with research invites when programs are available.
Traditional data use
- · Fitness apps and wearables may use your metrics to improve products or sell aggregated insights — often without sharing value back to you.
- · Healthcare systems may use records for research that creates commercial value while you receive no compensation for contributing.
- · Consent is buried in terms of service — not a clear, per-program choice.
Voluntary reward programs
- · You opt in to each program with explicit consent before any wellness data is shared.
- · Incentives may include research participation rewards or platform points — not guaranteed cash payouts.
- · You can review what is shared, revoke access when programs allow, and keep building your wellness picture on your terms.
Your data, your choice
Carthalis puts wellness coaching first — research participation and health-data reward programs are optional paths you choose when invited, not a surprise data broker.
- You own your data Your wellness picture stays under your control. You decide what to add, when to add it, and what to share for each program.
- Consent is explicit Research participation and health-data reward programs require opt-in. Review program terms before sharing anything beyond your personal companion experience.
- Revoke when programs allow You can withdraw from research programs and adjust sharing settings when the program supports it — transparency is part of the design.
- Wellness education, not diagnosis Carthalis helps you understand patterns and plan next steps. It is not a medical device and is not for emergencies.
- Research participation is voluntary and transparent, and you can stop at any time.
How it's calculated, sources and more
What Carthalis offers today
Today Carthalis is a health companion — 140+ insights, daily coaching, and research you can join when a program invites you. The Health AI Marketplace and token rewards remain on a waitlist roadmap; points are platform rewards, not guaranteed cash payouts.
- 11 Create a free account Tell us about your health, upload a lab result or take a quick check-in — connect your devices (optional). See your insights and daily coaching when you are ready.
- 22 Complete your profile and opt into research Add fitness observations, validated wellness surveys, and lifestyle logs you choose to share. Research participation is voluntary — review terms before opting in.
- 33 Earn points when programs invite you Platform points may accrue for profile completion, research participation when invited, and other opt-in contributions. Points are platform rewards — not guaranteed cash. The Health AI Marketplace and token conversion remain on a waitlist roadmap.
Eligibility and onboarding
On Carthalis, you choose exactly what data to contribute for each program — opt-in sharing is required before wellness information leaves your companion account for research or health data compensation purposes. Eligibility varies by program; this is not a sell health data app — participation stays invite-based and consent-based.
| Data type | Examples | Consent |
|---|---|---|
| Fitness observations | Logged lifts, workouts, body measurements | Opt-in per program |
| Validated wellness surveys | PSS, GAD, PHQ, sleep and lifestyle assessments on Pulse | Opt-in per program |
| Lifestyle logs | Nutrition, habits, recovery notes you choose to log | Opt-in per program |
| Wearables (optional) | Apple Health, Health Connect, or linked devices when ready | Opt-in per program; never required to start |
Common questions
Start with wellness tools — opt into rewards when invited
Create a free account to use the companion and daily coaching — then opt into research and health-data programs when invited. Sharing health data for rewards stays voluntary and consent-based.