API Based WebDevelopment project

Hello Everyone I am making music based web project here users can be played any type of music according to his/her choice can anyone help me that how to connect API in our project I am trying to solve this issue for 6 -7 days please help me.

Yes ,so how can you help to developers a web app

I want to web app like when you open your music system Spotify or Gaana app so I am just making this type web page where user can listen to any music using javascript,HTML,css