Mastercard and the BBVA-backed Propel Venture Partners have contributed to a series B round that will support product development and growth.

US-based conversational artificial intelligence (AI) software developer Kasisto has received $17m in a series B round featuring payment services provider Mastercard and Propel Venture Partners, the VC firm funded by bank BBVA.

Oak HC/FT, a $500m fund formed by private equity firm Oak Investment Partners, led the round, which also featured Two Sigma Ventures, Commerce Ventures and Partnership Fund for New York City.

Kasisto has built a conversational AI platform called Kai that powers bots and virtual assistants for financial…