Setu, a Bengaluru-based fintech API infrastructure startup, announced it has raised $15 million Series A funding led by New York-based investment firm Falcon Edge Capital and Lightspeed Venture Partners US, the company announced recently. The company’s existing investors—Lightspeed India Partners and Bharat Inclusion Seed Fund—also participated in the new financing round, Nikhil Kumar, co-founder of Setu,…