How do Spotify Codes work?

Spotify Codes are QR-like codes that can be generated to easily share Spotify songs, artists, playlists, and users. I set out to figure out how they worked, which led me on a winding journey through barcode history, patents, packet sniffing, error correction, and Gray tables. Spotify URIs Let’s start with Spotify URIs (Uniform Resource Identifiers). Different pieces of media (artists, albums, songs, playlists, users) all have a URI. The ABBA song “Take a Chance on Me” has this URI:...

November 13, 2020 · 10 min · Peter Boone