The 25-year-old, who beat second seed Casper Ruud on his way to the final, was in command of the contest throughout, hitting 19 winners and recording an 83% success rate on his first serve.
It's his first title of 2026, after a tough start to the season, in which he lost in the first round of the Australian Open.
It's been a great week for the American, capped off with his win over Paul, after he saw off three top 25 players on his way to the title in a week where he dropped just one set.
He will now turn his attention to Acapulco, the final tune-up event before Indian Wells.