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Terra API

API for developers to access health data

Terra makes it easy to transfer health data. The unified API makes it easy to access data from health apps, wearables, sensors, and medical equipment through one source
Active Founders
Kyriakos Eleftheriou
Kyriakos Eleftheriou
Founder
CEO and founder of Terra API. ex Special Forces, Forbes 30 under 30 and Imperial Alumnus
Company Launches
Tyran: AI Health Agents for your app
See original launch post

Hey 👋 We are building Tyran, the AI Health Agents.

tl;dr: Build AI health agents on top of any data — wearables, labs, sleep, HRV. Detect jet lag, catch illness before symptoms, spot sleep apnea, flag overtraining — and plug it all into your app in minutes, without a line of code.

https://www.youtube.com/watch?v=VXDRR_qU250

What you can use Tyran AI for

Some early examples

  • Detect jet lag
  • Detect signs of potential asthma (NOT medical diagnosis, obviously!)
  • Detect the upcoming menstrual cycle
  • Understand recovery
  • Run multiple experiments: test different workout timings or rest protocols per user segment.

How it works

  1. Sign up, connect health data sources via plug-and-play auth widget.
  2. Pick an agent template (or prompt the agent).
  3. Define schedule + outcomes (alerts, notifications, adjusted plans).
  4. Get validated outputs (typed JSON), export via webhooks, or integrate directly into your product.

What’s new

  • 🚀 Fast feature build - From idea to working health insights in minutes
  • 🔗 Connect any health source - 500+ metrics from wearables, labs, nutrition, sleep, HRV, etc.
  • 📚 Templates & agent types - Prebuilt agents for recovery optimization, risk detection, women’s health, root-cause analysis, experimental health logic.
  • ⚙️ Custom logic + actions - Go beyond dashboards: trigger alerts, notifications, update workout plans, or send recommendations programmatically.
  • 🛠 Full agent lifecycle tools - scheduling, versioning, monitoring; typed output (JSON) so downstream systems / UIs stay reliable.
  • 📝 Memory - Agents remembering information and improving over time

Previous Launches
The easiest way to add Sleep, Stress, Heart and health scores for developers
The easiest way for developers to create health agents with health data
Generate health recommendations for any app
New product: Connect your app to real-time wearable data. Garmin, Fitbit, Oura, Peloton and others, through a single source
Jobs at Terra API
London, England, GB
£35K - £80K GBP
1+ years
London, England, GB
$50K - $120K
0.10% - 0.50%
Any (new grads ok)
London, England, GB
£33K - £80K GBP
1+ years
London, UK
$50K - $200K
0.10% - 2.00%
Any (new grads ok)
London, England, GB
£33 - £80 GBP
Any (new grads ok)
Terra API
Founded:2020
Batch:Winter 2021
Team Size:25
Status:
Active
Location:London, United Kingdom
Primary Partner:Jared Friedman