Vapi is emerging as a key infrastructure provider for enterprise voice AI, closing a $50 million Series B round at an estimated $500 million valuation as Amazon Ring migrated 100% of its inbound support calls to the platform. The round, led by Peak XV Partners with participation from Microsoft’s M12, Kleiner Perkins, and Bessemer, brings Vapi’s total funding to $72 million and follows a reported 10x increase in enterprise annual recurring revenue.
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Founded by CEO Jordan Dearsley and co-founder Nikhil Gupta, Vapi pivoted from an AI therapy experiment into a low-latency voice infrastructure company that now processes between 1 million and 5 million calls daily and has handled more than 1 billion calls to date. The company serves blue-chip customers including Amazon Ring, Kavak, ServiceTitan, New York Life, Intuit, Instawork, and others, and supports over 1 million users on its self-serve developer platform.
Ring chose Vapi after a competitive bake-off against more than 40 vendors as it weighed expanding human call centers versus traditional IVR systems to handle surging holiday demand. Executives at Ring cite rapid time-to-production and improved customer satisfaction scores, while highlighting Vapi’s configurability that allows internal teams to fine-tune AI agents without heavy engineering involvement.
Vapi positions itself as an orchestration and infrastructure layer rather than a pre-packaged application provider, targeting enterprises that need granular control over reliability, compliance, and model behavior. Its developer-first, API-driven platform is used to build and manage agents that can replace or augment contact centers and automate high-volume workflows in financial services, healthcare, insurance, automotive, and workforce management.
The fresh capital will support expansion of Vapi’s roughly 100-person team across engineering, infrastructure, and go-to-market roles, with a focus on reliability, governance, and predictability for higher-stakes use cases. Planned enhancements include tighter uptime guarantees, controlled latency under load, and call-level monitoring with guardrails and escalation paths, aiming to meet enterprise requirements as more customer interactions shift to AI voice systems.
With nearly $3 trillion in global sales estimated to be at risk from poor customer experiences and traditional chatbots failing to lift satisfaction, Vapi’s traction suggests growing strategic relevance in contact center modernization. The combination of scaled production deployments, strong investor backing, and a focus on measurable outcomes positions the company to play a central role in the next phase of AI-powered voice automation, potentially boosting contract values and deepening its penetration across customer support, sales, and scheduling workflows.
Overall, the week marked a significant milestone for Vapi as it cemented its status as a venture-backed, scale-tested voice AI infrastructure partner with expanding enterprise adoption and a clearer roadmap for sustaining growth in a competitive market.