Mobile payment platform Ezetap, which counts American Express as an investor, has now raised $51m in total, after securing funds in a JS Capital-led round.

Investment firm JS Capital Management has led a $16m funding round for Ezetap, an India-based mobile payment processor backed by payment services firm American Express.

Existing investors Social Capital and Horizons Ventures also contributed to the round, the former’s investment making it Exetap’s largest shareholder, according to LiveMint. Salil Seshadri of JS Capital will join Ezetap’s board of directors in conjunction with the funding.

Ezetap has built a mobile platform that allows merchants to accept payments for any bank through…