Successful overseas forays by NCPI would give India a home-grown alternative to SWIFT, the Belgium-based cross-border payment system operator, though Shukla stressed that the objective was not to displace existing platforms. About 330 banks and 25 apps -- including Alphabet Inc.’s Google Pay and Meta Platform Inc.’s WhatsApp -- share NCPI’s unified payment interface, which has helped make instantaneous digital transactions a $3 trillion market in India.