Vapi
by Vapi (Vapi AI, Inc.)
Speak human to every customer
Vapi is a developer-first voice AI platform for building, testing, and deploying conversational voice agents that handle inbound and outbound phone calls at enterprise scale.
At a Glance
- Category
- Audio & Voice
- Pricing
- usage-based, pay-as-you-go, subscription, custom-quote
- Target Market
- Developers, Enterprise, SMB, Customer Support Teams
- Founded
- 2020
- Headquarters
- San Francisco, California, USA
Key Features
- ✓Voice Agent Builder
Build conversational voice AI agents that handle inbound and outbound customer interactions across phone and chat.
- ✓Real-time Speech Pipeline
Orchestrates speech-to-text, LLMs, and text-to-speech with sub-500ms average latency for natural conversations.
- ✓Native Telephony Integration
Built-in phone system support for inbound/outbound calls with configurable concurrency and per-line scaling.
- ✓API-First Architecture & BYO Models
Comprehensive API and SDKs let developers integrate custom workflows and bring their own model and voice provider API keys at cost.
- ✓Enterprise Compliance & Monitoring
SSO/OAuth, RBAC, AI guardrails, real-time monitoring, and SOC 2, HIPAA, and PCI compliance options.
Capabilities
Use Cases
- •Automated customer support calls
Companies deploy voice agents to answer inbound support calls, resolve common requests, and route complex issues to humans.
- •Outbound sales and lead qualification
Sales teams use voice agents to make outbound calls that qualify leads, follow up, and book meetings at scale.
- •Appointment scheduling and reminders
Healthcare, staffing, and services businesses automate appointment booking, confirmations, and reminders via voice.
Ideal For
Best For
- ✓Voice AI agents for phone calls
- ✓Customer support automation
- ✓Outbound sales and lead qualification
- ✓Appointment scheduling
Integrations
Market Analysis
Pros
- ✓Strong for fast prototyping with flexible, developer-friendly APIs
- ✓Bring-your-own provider model gives cost and customization control
- ✓Proven scale with enterprise compliance options
Cons
- ✗Mixed reviews for production reliability and latency
- ✗Recurring complaints about support response time and pricing transparency
Pricing
Build
$0.05/min usage-based
- ✓Call hosting at $0.05/min
- ✓SMS/Chat at $0.005/msg
- ✓10 call concurrency included, then $10/line/month
- ✓Model/voice provider costs passed through at cost
- ✓Community Discord and email support
Scale
Custom annual contract
- ✓Fixed platform fee plus committed volume
- ✓Volume-based per-minute pricing
- ✓SOC 2, HIPAA, PCI, SSO, RBAC
- ✓Data residency options
- ✓Dedicated account team
Usage-based Build plan at $0.05/min (model and voice provider costs passed through at cost, free if you bring your own API keys). Scale plan is a custom annual contract. Add-ons: HIPAA compliance $2,000/month, Zero Data Retention $1,000/month.
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