APIs & SDKs
Stridee Platform
One API for every wearable. Read and write.
A unified API that connects to multiple wearable devices and fitness watches, allowing developers to read workout and sleep data and write structured workouts
Overview

A look at platform.stridee.com
Stridee Platform provides a single integration for developers to access wearable data from ten different device providers. Users connect the watch they already own through a hosted consent screen, and their workouts, sleep data and recovery metrics arrive at the developer's endpoint encrypted and signed with a key that never leaves the developer's machine.
The API supports reading activity summaries, detailed fitness files with laps and timestamped samples, and wellness data including sleep stages, HRV, resting heart rate and VO2max. Developers can also push structured workouts with warmups, repeats and intervals back to Garmin, Wahoo or COROS devices. Each plan includes every provider and every endpoint, with no per-call pricing.
All requests use Ed25519 cryptographic signing and encrypted webhook deliveries with no API key storage required. The platform charges based on the number of connected users, with plans starting at $32.50 per month billed annually or $39 month to month, including a 14-day free trial.
Feature notes
- Support for 10 wearable providers: Garmin, COROS, Polar, Wahoo, Zepp, Hammerhead, Fitbit, Suunto, WHOOP and Apple Watch
- Read activity data including sport, start time, device and activity id
- Access to FIT files with laps and timestamped samples including heart rate, power, speed and GPS
- Wellness data including sleep stages, HRV, resting heart rate and VO2max from Garmin and COROS
- Push structured workouts with warmups, repeats and intervals to Garmin, Wahoo or COROS
- Cryptographic signing with Ed25519 keys that never leave the developer's machine
- Encrypted webhook deliveries and signed requests with no API key storage
- Hosted consent screen for user device connection
- Webhook retry and resend management with detailed logging
- Activity backfill API to retrieve all previously granted workout data
Pricing
Pricing model: Free trial
Hacker: $32.50/month billed annually ($390/year) or $39/month month to month, up to 100 connected users. Startup: $82.50/month billed annually ($990/year) or $99/month month to month, up to 500 connected users. Scale: $207.50/month billed annually ($2,490/year) or $249/month month to month, 1,500 co
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FAQ
- Is there an API key to store?
- No. Requests are signed with an Ed25519 key that never leaves your machine. Each request names the key id, covers the method, URL and body digest, and carries a nonce remembered for five minutes to prevent replay attacks.
- Can I write structured workouts back to the watch?
- Yes. POST /v1/workouts takes a structured session with warmup, repeats and intervals with pace, heart-rate, power or cadence targets and puts it on the athlete's Garmin, Wahoo or COROS device.
- What do I actually get when a workout finishes?
- An activity.created event carrying the provider’s summary — sport, start time, device, activity id — sealed to your key, plus a URL the recording is behind. Miss one and GET /v1/activities lists everything you have been granted, newest first. What that URL gives you is the file the device wrote, with its laps and its timestamped samples — heart rate, power, speed, GPS — inside it. We do not parse those into JSON for you yet, and there is no canonical re-encoded FIT today.
- What happens if my endpoint is down?
- Any 2xx is an ack. Today nothing is retried automatically: a non-2xx or a timeout is recorded against the delivery, with the reason, and it stays failed until you resend it from the console or the API. A resend keeps the same webhook-id, so deduping on it is safe, and it is sealed to the endpoint’s current key, so resending after a botched rotation fixes it. Treat downtime on your side as missed events and backfill from the activities API.
- Should I pay monthly or annually?
- Annually, if you already know you are shipping this: the year costs ten months rather than twelve, so it is two months free on every plan, and it is the horizon both sides actually plan on — you are wiring our deliveries into your product and we are carrying your users’ provider grants. Monthly exists so that is a choice rather than a condition of trying us: $39 a month on Hacker, no year to commit to, cancel from the billing portal whenever you like.
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