Vapi employeesVapiVoice agents, which use AI to listen and respond to spoken commands, are top of mind for VCs in 2025.One startup in the space, Vapi, just raised $20 million from Bessemer Venture Partners.We got an exclusive look at the pitch deck Vapi used to raise its Series A funding round.Of all the tech trends set to take center stage in 2025, many investors say they're most excited about AI agents understanding commands and completing tasks on behalf of humans.Some startups in the space are already drawing eyes from VCs, including Vapi, which just raised $20 million.The startup, which is building an AI voice agent tool, closed a Series A round in December.