"Well played again, @Leander & @mhingis. Congrats on a great win. We are all very delighted. @usopen," Modi said in a tweet.
The fourth seeded Indo-Swiss pair, edged past unseeded Americans Bethanie Mattek-Sands and Sam Querrey 6-4 3-6 10-7 in a tricky final to win their third Major title together this season.
The 42-year-old Paes has now won nine Grand Slam mixed doubles titles, surpassing compatriot and former partner Mahesh Bhupathi's record of eight titles.