In 2015 he signed with Atlantic Records and released his debut single "Marvin Gaye", which features guest vocals from Meghan Trainor.

The single has been certified 2× Platinum in Australia, topped the charts in New Zealand, Ireland, and the United Kingdom.

Puth wrote, co-produced, and was featured on a song by Wiz Khalifa, "See You Again", included in the Furious 7 soundtrack.

[1] The pre-order for Puth's debut studio album Nine Track Mind started on August 20, 2015, along with the second single "One Call Away".

His third album, Charlie, was released on October 7, 2022, which includes singles "Light Switch" and "Left and Right", with BTS member Jungkook.