

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.
Discover the 11 best AI voice agents for B2B SaaS support teams in 2026. Compare CloudTalk, Synthflow, Retell AI, and top tools for small teams.
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
Voice AI platform Vapi is announcing a $50M round following hockey-stick style 10x ARR growth in enterprise segment. ...
EclecticIQ analysts assess with high confidence that ShinyHunters is expanding its operations by combining AI-enabled voice phishing, supply chain compromises, and leveraging malicious insiders.
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Comprehensive guides and API references for building voice AI agents with Vapi.