What Vapi does
Vapi is a developer platform for building and deploying voice AI agents—assistants that can understand spoken input, reason over the conversation, and speak back—while handling the real-time telephony and agent production “plumbing” (latency, reliability, and operational controls). The platform is designed so engineering teams can launch voice agents “in days instead of months,” using an API-native approach that abstracts away telephony internals and supports configurable agent behavior for production use cases.
On the product side, Vapi positions itself both as an orchestration layer for voice pipelines (speech-to-text, LLM reasoning, and text-to-speech) and as enterprise infrastructure for governance/observability needed to run voice agents at scale. For example, Vapi’s recent enterprise-focused releases include “Enhanced Security Mode,” aimed at reducing ambient audio exposure risk, and “Vapi Monitoring,” intended to give voice-specific production visibility and resolution context for operations teams.
Strategically, Vapi’s public messaging emphasizes moving from “cost reduction” voice automation toward revenue-impacting agent performance in contact-center environments, supported by a production feedback loop (the company describes agents improving over time through observed outcomes and operational governance). The company reports strong scale indicators including enterprise ARR growth and cumulative call volume, alongside named enterprise customers using Vapi’s API for voice agent deployments.