Voice AICommercial✦ Free Tier
Vapi
Voice agent middleware for production phone and web agents
App Infrastructure
About
Full-stack platform for building, testing, and deploying voice AI agents. Handles real-time telephony, multi-provider LLM routing, interruption detection, and call analytics. Most-adopted voice agent infrastructure in production.
Choose Vapi when…
- •You're building phone or web voice agents with real-time conversation
- •You need multi-provider LLM + TTS + STT routing in one platform
- •You want production-grade call analytics and interruption handling
Builder Slot
How does your AI speak and listen?Optional for most stacks
Speech synthesis and recognition APIs — text-to-speech, speech-to-text, and real-time audio intelligence
Dev Tools
Not applicable
App Infra
Optional
Hybrid
Optional
Other tools in this slot:
Stack Genome Detection
AIchitect's Genome scanner detects Vapi in your project via these signals:
npm packages
@vapi-ai/web@vapi-ai/server-sdkpip packages
vapi_pythonenv vars
VAPI_API_KEYIntegrates with (3)
Alternatives to consider (1)
Pricing
✦ Free tier available
Pay-as-you-go$0.05/min
EnterpriseCustom
Badge
Add to your GitHub README
[](https://aichitect.dev/tool/vapi)Explore the full AI landscape
See how Vapi fits into the bigger picture — browse all 207 tools and their relationships.