Method, a startup that aims to make it easier for fintech developers to embed repayment, balance transfers and bill pay automation into their apps, today announced that it closed a $16 million Series A funding round led by Andreessen Horowitz with participation from Y Combinator (Method’s a Y Combinator graduate), Abstract Ventures, SV Angel and others. Co-founder Mit Shah says that the new cash will be put toward product development and growing the company’s headcount from eight people to 28 by the end of the year.