PayPal Ventures has co-led a $30 million Series C funding round for generative conversational AI platform Rasa. : PayPal Ventures has co-led a $30 million Series C funding round for generative conversational AI platform Rasa. StepStone Group co-led the round, with participation from Andreessen Horowitz, Accel, and Basis Set Ventures. Rasa powers AI assistants for a host of major firms, including two of the world's top three banks and several insurers. The investment is the first for PayPal Venture's new AI fund.