psst

Install command: 
brew install --cask psst

Name: Psst

Spotify client

https://github.com/jpochyla/psst/

Cask JSON API: /api/cask/psst.json

Cask code: psst.rb on GitHub

Current version: latest

Requirements: macOS >= 11

Analytics:

Installs (30 days)
psst 50
Installs (90 days)
psst 192
Installs (365 days)
psst 603