Spotify overlap MVP

Find the songs everyone in your group already saved.

Start a room, pay once, invite your group, let everyone connect Spotify, and get the overlap playlist back in the host account.

Start a roomJoin with code

Why this MVP is enough

PaymentOne payer firstLower friction and simpler Stripe logic.
Data sourceLoved by APIUse Spotify saved tracks from Liked Songs, not guesses.
ResultPlaylist in host accountFastest useful outcome for the room creator.
Phase 2Genre filters laterOnly after the overlap flow is working cleanly.

MVP rules

One person pays per room
Host also connects Spotify
All users contribute saved tracks from Spotify Liked Songs
Backend computes intersection of track IDs
Playlist is created in the host account
Genre filters come after MVP