Vapi, a developer platform for Voice AI agents, has secured USD 20 million in Series A funding, led by Bessemer Venture Partners with support from Abstract Ventures, AI Grant, Y Combinator, Saga Ventures, and Michael Ovitz. The funding will help the company expand its engineering team, scale infrastructure, and serve new enterprise customers.
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Scaling Revenue and Expanding Customer Base
Founded in 2023 by Jordan Dearsley (CEO) and Nikhil Gupta (CTO), Vapi enables businesses to deploy scalable, human-like voice agents quickly, with integrations for CRMs and EHRs, and existing telephony systems. "Vapi is building the infrastructure necessary to enable this voice-first future," the company said, noting that it has scaled revenue to millions - in six months since launch.
Customer Base
With its API-first approach, the company has partnered with businesses across various industries—including finance, healthcare, and travel. Vapi's customers include Mindtickle, Luma Health, Ellipsis Health, and Gestionadora de Creditos. The platform aims to support the growing demand for AI-powered voice solutions, as platforms like Apple Intelligence and Google Gemini push voice assistants to a global audience.
Human-Like Voice Agents
"Over the past six months, generative voice models have begun to achieve human-level performance, in some cases even passing "the voice Turing test." This advancement, coupled with the accessibility of voice models on consumer mobile devices, has spurred growing interest among enterprises aiming to automate business-to-customer interactions," Vapi said in a statement on December 12.
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Jordan Dearsley, CEO of Vapi commented: "Consumer-facing companies run on voice. To scale their revenue, they need to scale their voice operations. But, people don’t scale. You can try using an IVR (interactive-voice responses) system, but they sound robotic, and people just smash zero until they can talk to a person. With generative voice models, it’s flexible like a human and it can scale to millions of calls."
"Apple Intelligence and Google Gemini are poised to onboard 4 billion people to voice assistants that truly converse like humans. This marks a new beginning for voice as the world's default interface. Consumers will want voice agents everywhere, and enterprises need a platform to deploy them. This funding will allow us to scale our team and infrastructure to meet the growing demand for AI voice agents" added Jordan Dearsley.
Driving Innovation in Conversational AI
"Vapi provides a 10x improvement on the development experience for voice agents. Its elegant platform solves the hard engineering problems required to manage real-time voice infrastructure and build enterprise-grade voice agents, including the orchestration of third-party speech-to-text (STT) models, LLMs, and text-to-speech (TTS) models," Bessemer Venture Partners said.
Mike Droesch, partner at Bessemer Venture Partners, said, "Vapi is emerging as the leading developer platform for conversational voice agents, helping enterprises deploy agents that solve their unique business problems without having to worry about managing the underlying models and infrastructure."
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"Just as developer platforms helped power the meteoric rise of cloud software over the past decade, we are thrilled to be partnering with Vapi as they help to usher in the next wave of conversational AI applications," said Byron Deeter, partner at Bessemer Venture Partners. "We believe that AI will fundamentally impact every vertical of the economy, with voice agents becoming a core interface for many of these applications."
