Vapi

Vapi is an AI Agents & Automation tool that enables developers to build, test, and deploy advanced voice AI agents. It offers a highly configurable API for creating conversational voice AI products and scaling phone operations.

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At a glance

Pricing

Paid · Enterprise

Free tier

API

Yes

Skill level

Technical

About

What is Vapi?

Vapi is a robust platform designed for developers to build, test, and deploy advanced voice AI agents with ease. It provides a highly configurable API, allowing for seamless integration into existing telephony, websites, or applications. The platform supports over 100 languages, offers API-native functionality with thousands of configurations, and enables automated testing to prevent hallucinations. Users can bring their own models for transcription, LLM, or text-to-speech, and integrate custom APIs for tool calling. Vapi also facilitates A/B experiments for continuous optimization and provides enterprise-grade reliability with 99.99% uptime, sub-500ms latency, and built-in AI guardrails. It ensures security with SOC2, HIPAA, and PCI compliance.

Best used for

Ideal for developers and product managers who need to create and deploy advanced voice AI agents for various applications. Especially valuable for automating inbound and outbound calls, integrating custom AI models, and ensuring enterprise-grade reliability and security for conversational AI solutions.

Common actions

build voice agents

deploy conversational AI

automate phone calls

integrate AI models

test AI performance

transcriberAI chatbotstext to speech

Capabilities

Key features

Build voice AI agents
Deploy conversational AI
Multilingual support (100+)
API-native functionality
Automated testing suites
Bring your own models
Tool calling capabilities

Target Audience

developerstartup founderproduct manager

Integrations

Not yet documented

Pricing & Plans

Paid · Enterprise

Free Trial

FAQs

What kind of customization does Vapi offer for voice agents?

Vapi provides extensive customization options, allowing you to choose from thousands of pre-made templates or build your own workflows. You can also bring your own API keys for transcription, LLM, or text-to-speech models, and plug in your own self-hosted models for complete control.

How does Vapi ensure the reliability and security of its voice AI agents?

Vapi offers enterprise-grade reliability with 99.99% uptime and sub-500ms latency, scaling to millions of calls. For security, it includes built-in AI guardrails to prevent hallucinations and is SOC2, HIPAA, and PCI compliant, making it suitable for sensitive industries like healthcare and finance.

Can Vapi agents interact in multiple languages?

Yes, Vapi supports over 100 languages, including English, Spanish, and Mandarin. This multilingual capability allows businesses to deploy voice AI agents that can effectively communicate with a diverse global customer base.

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