Dhillon started in 2019 with single track "Fake" with Shinda Kahlon under their own independent label Run-Up Records. Later he appeared on the video, and credited as producer, of the track "Faraar" by Gurinder Gill and Shinda Kahlon.
In 2020, his single "Deadly" with producer Gminxr, entered UK Asian chart published by the Official Charts Company, and peaked at number 11.[9] Also, the song entered top 5 on UK Punjabi chart.[10] His next single "Droptop" with Gurinder Gill also appeared on both UK Asian and UK Punjabi chart.[10] In June 2020, he collaborated with Gurinder Gill and Manni Sandhu for single "Majhail", which topped both the UK Asian and Punjabi chart, and became their best performance till date.[9][10] In July 2020, he and Gurinder Gill appeared in "Excuses" by Intense, which peaked at number 3 on UK Asian and topped the UK Punjabi chart.[9][11] In September 2020, he released "Brown Munde" with Gurinder Gill, Gminxr, and Shinda Kahlon. Nav, Sidhu Moose Wala, Money Musik, Anmol Dalwani and Steel Banglez appeared in its music video.[12] The song entered Apple Music chart in Canada.[13] The song debuted at number one on the UK Asian chart, became his second number one on the chart.
In 2020, AP Dhillon released his first Collaborative album, Not by Chance with Gurinder Gill and Money Musik. All seven tracks from the EP charted on the NZ charts and peaked at top five of the Official Punjabi Music chart in the UK.[14]
In 2021, AP Dhillon and his team performed a live concert for the first time as part of the "Over The Top – The Takeover Tour" in major 6 cities in India.[15][16] Dhillon partners with Boat for brand association.[17][4] Dhillon released a collaborative EP "Hidden Gems" with Gurinder Gill and Gminxr in fall 2021.
In 2022, Dhillon collaborated with Amazon Prime Video for the promotion of The Boys (season 3) under which he cues an exclusive version of his track ‘Insane’ in the trailer.[1][18]
In 2023, Dhillon was the first Punjabi language artist to perform at the 2023 Juno Awards in Edmonton, Canada with his hit song "Summer High".[19]