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TuneIn radio?

I could not find an obvious API for it.

It appears from my cursory investigation their APIs primarily help broadcasters send data to tunein. I haven’t found any way to programmatically interact with their services as a listener.

It's probably not like this but there are some streaming sites that real time stream the broad radio spectrum at various locations around the world and you can tune in a particular radio station using a radio application that just works like the real thing.

Maybe https://radio.garden