Rainforest, an embedded payment provider purpose-built for software platforms, announced it has raised an oversubscribed $29 million Series B funding round led by Matrix Partners and Infinity Ventures with participation from Accel and Tech Square Ventures. All investors participated in Rainforest's Series A last year. The new capital brings the company's total funding to date to $57.5 million and will fuel hiring, geographic expansion to Canada, and product development including tap-to-phone, alternate payment methods and fintech orchestration.