How it works
From watch to cast in three steps
Runcaster is a Garmin-connected mini app that turns your run data into a clean, shareable route card for Farcaster.
Connect Garmin
Authorize access to your Garmin account so we can read run activity data.
Generate a run card
We turn activity stats and GPS points into a polished route preview.
Post to Farcaster
Preview your card and share it as a cast whenever you are ready.
Built for Garmin review
Credible, privacy-first, and ready for launch
Runcaster is designed as a business-ready product with clear privacy commitments. Your Garmin data is used only to build run cards and is never sold. Sharing happens only when you decide to post a cast.
Read the privacy policyPurpose limitation
Data stays scoped to run card generation and sharing.
User control
Disconnect Garmin or delete data at any time.
Secure by default
TLS in transit and access-controlled storage.
Transparent hosting
Hosted on Vercel with a managed cloud database.
Ready to see your routes in card form?
Open the mini app