Bengaluru-based payment gateway startup Cashfree has raised $5.5 mn (about Rs.38 crore) from a clutch of investors in its series A round of funding led by South Korean venture capital firm Smilegate Investments. The company, which specialises in bulk payouts and corporate payments, intends to scale up its operations into a full-service business banking platform to help small enterprises manage their finances better in a more organised fashion.