I recently implemented a small application, Stokehook.com, that can send webhooks for your Strava activities to any endpoint. Getting data out of Strava as it is uploaded has never been easy to do and I wanted to fix that in a way that lets other developers integrate the activities into other workflows.
Stokehook.com
Tech Stack
- Svelte + Sveltekit
- TailwindCSS
- Firestore
- Firebase Auth
- Hosted on Netlify (easier than Firebase functions and hosting for now)
How it works
The app basically does the following.
- Handle authentication with Strava
- Receives a webhook from Strava for all app users
- Looks up the webhook setting for the user
- Refreshes the access token for the user
- Enriches the webhook with the full object (Strava sends minimal information in their webhook)
- Sends it off to the user’s endpoint
The interface for the app is pretty simple.
Settings
Payload
The key feature is that Strava sends a “thin” webhook with minimal fields for the activity. The app gets all fields for the object via the Strava API before sending it along.
So instead of:
{
"aspect_type": "create",
"event_time": 1654224986,
"object_id": 7246184314,
"object_type": "activity",
"owner_id": 2170160,
"subscription_id": 217592,
"updates": {},
}
The payload ends up looking like:
{
"aspect_type": "create",
"event_time": 1654224986,
"object_id": 7246184314,
"object_type": "activity",
"owner_id": 2170160,
"subscription_id": 217592,
"updates": {},
"data": {
"resource_state": 3,
"athlete": {
"id": 2170160,
"resource_state": 1
},
"name": "Evening Hike",
"distance": 2077.3,
"moving_time": 1700,
"elapsed_time": 1843,
"total_elevation_gain": 25,
"type": "Hike",
"id": 7246184314,
"start_date": "2022-06-03T02:22:32Z",
"start_date_local": "2022-06-02T20:22:32Z",
...
"pr_count": 0,
"total_photo_count": 0,
"has_kudoed": false,
"suffer_score": 2,
"description": null,
"calories": 99,
"perceived_exertion": null,
"prefer_perceived_exertion": null,
"segment_efforts": [],
...
"available_zones": [
"heartrate"
]
},
"meta": {
"id": "FDnZJ5smHVVPYQAVOrq3",
"url": "https://webhook.site/633a324a-eec8-46d1-9bb8-d7b7ca0d90b5"
}
}
Try it out at Stokehook.com!
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