

Vapi is the fastest way to build voice AI agents. With real-time streaming, powerful tool-calling, and flexible APIs, developers can create natural, responsive voice experiences in minutes. Used by top startups to power everything from smart assistants to complex conversational workflows.
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Vapi 2025 revenue: $8M ARR (up from $4.5M in 2024). Valuation: $130M. Bootstrapped (no outside funding). 30 employees Updated Apr 25, 2025.
Vapi Raises $50M in Series B
Vapi raises $50M in Series B funding to scale its enterprise voice AI platform, which has already powered over 1 billion calls for major clients.
Voice AI platform Vapi is announcing a $50M round following hockey-stick style 10x ARR growth in enterprise segment. ...
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Comprehensive guides and API references for building voice AI agents with Vapi.