Vapi Review: The Voice AI Platform Built for Developers

Vapi is a developer-first voice AI platform that enables teams to build, deploy, and scale voice agents for phone-based interactions. Whether it’s sales calls, support automation, or real-time voice assistants, Vapi lets you plug in your own models and tools for maximum control.

Vapi

Features of Vapi

  • Multilingual voice agent support (100+ languages)
  • Fully API-native with 1000s of configurations
  • Automated testing to prevent hallucinations
  • Bring-your-own models (TTS, LLM, transcription)
  • Server-side tool calling
  • A/B testing for prompts, voices, and flows
  • 99.9% uptime and real-time infrastructure
  • Sub-500ms latency at scale
  • 40+ native integrations
  • SOC2, HIPAA, PCI compliant
  • Developer SDKs and open-source support

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Vapi Pricing Plans

Ad-Hoc Infra (Pay as you go)

  • $0.05/min, $10 included
  • No bundled minutes
  • 10 lines included (+$10/line)
  • $200/mo for unlimited retention
  • HIPAA/PCI: +$1000/mo

Agency – $400/month

  • 3,000 minutes included
  • Overage: $0.018/min
  • 50 lines included (+$10/line)
  • Unlimited retention
  • SIP, tool integrations included

Startup – $800/month

  • 7,500 minutes included
  • Overage: $0.016/min
  • 100 lines included (+$10/line)
  • Same features as Agency

Enterprise – Custom

  • Unlimited minutes and lines
  • Full feature access
  • SOC-2, SSO, SLA, Enterprise Cluster included

With Vapi Chat API, you can now extend your assistants to chat, web, and support widgets instantly. Click here to Get Vapi →

Conclusion: Why Vapi is a Game Changer

Vapi isn’t just another voice bot platform—it’s infrastructure for building next-gen AI voice products. With its flexible APIs, deep integrations, and transparent pricing tiers, it’s tailored for builders who want both control and scalability. Whether you’re launching your first agent or scaling to millions of calls, Vapi is built to grow with you.

FAQ: Frequently Asked Questions About Vapi

What is Vapi?
A voice AI platform for developers to build and scale intelligent phone-based agents.

How does it differ from others?
It offers API-native flexibility, supports your own AI stack, and scales effortlessly with real-time performance.

Is it hard to set up?
Not at all—SDKs, templates, and rapid onboarding make deployment fast and easy.

Can I use my own models?
Yes. Bring your own transcription, LLM, and text-to-speech APIs or self-hosted models.

Is it compliant with industry standards?
Yes—Vapi supports SOC2, HIPAA, and PCI compliance for enterprise-grade deployments.