Vapi
Build advanced voice AI agents in minutes with a developer‑first API
Capability Features
API Access
Bring Your Own Models
Tool Calling
Automated Test Execution
A/B Experiments
Multi-language Support
100+ languages
Prebuilt Templates
1000s
Inbound Calls
Outbound Calls
Automatic Scalability
Millions of calls
Ultra-low Latency
Sub-500ms
Uptime SLA
99.99% uptime
Enterprise Compliance
SOC2HIPAAPCI
AI Guardrails
Dedicated Deployment Engineer
API Configurability
4.2K+ configuration points
Community Support
13000
No-code/Low-code Workflow
API-First Architecture
Custom Phone Number
Documentation
Integration Features
Server SDKs
TypeScriptPythoncURL
Client SDK
React (web SDK)
Integrations Information
40+ apps
OpenAI Integration
openaigpt-4o
Github Repository
Downloadable SDK ZIP
Pricing Features
Free Tier
Limitation Features
No Explicit Pricing Details
No File Format Support Listed
No Explicit Usage Quotas Listed
No Built-in Telephony Provider Mentioned