Paid.ai on Sunday announced that it closed a $21 million oversubscribed seed round led by Lightspeed Venture Partners. FUSE and existing investor EQT Ventures participated in the round, which brings the startup's total funding to$33.3 million. Paid.ai aims to solve a mounting problem for software businesses, namely, how to charge for AI agents that eliminate human workers and traditional seat-based pricing models. Manny Medina, who co-founded sales engagement platform Outreach, leads Paid.ai alongside Man ...