vapi
Vapi is a highly configurable platform that enables engineering teams to build and deploy advanced voice AI agents at scale, supporting millions of calls with enterprise-grade reliability and extensive customization options.
vapi is voice & speech software teams evaluate for voice & speech. Use this page to review pricing, integration signals, and the best alternatives before you commit.
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Quick Overview
Best for: Voice & Speech
What it does
Voice & Speech software for decision-makers comparing workflow fit and alternatives.
Best fit
Voice & Speech
Pricing snapshot
Free from Includes 90,000 free minutes and guidance for early-stage teams
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vapi
Vapi is designed for developers and engineering teams to create sophisticated voice AI agents that can handle inbound and outbound calls with human-like interactions. The platform offers a configurable API-first approach, allowing integration with existing stacks and enabling the deployment of voice AI products at scale. Vapi supports over 100 languages and provides tools for automated testing, A/B experiments, and the ability to bring your own AI models for transcription, text-to-speech, and large language models. It is used by startups and Fortune 500 companies alike, powering millions of calls daily with a focus on reliability, security, and scalability.
Platform for developers to build, test, and deploy voice AI agents.
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Claim this listingKey Features
Multilingual
Supports conversations in English, Spanish, Mandarin, and over 100 other languages.
API-native
Everything is exposed as an API with thousands of configurations and integrations.
Automated testing
Design test suites of simulated voice agents to identify hallucination risks before production.
Bring your own models
Use your own API keys for transcription, LLM, or text-to-speech models, or plug in self-hosted models.
Tool calling
Integrate your APIs as tools to fetch data and perform server-side actions intelligently.
A/B experiments
Test different prompt, voice, and flow variations to optimize performance continuously.
Pricing
Offers a Startup Program with 90,000 free minutes and support for early-stage teams.
Startup Program
Includes 90,000 free minutes and guidance for early-stage teams- Free minutes
- Guidance and support
Use Cases
Inbound calls
Handles over 400,000 daily inbound calls, saving hundreds of engineering hours monthly by automating customer interactions.
Outbound calls
Enables scalable outbound calling campaigns with advanced voice AI agents to improve customer engagement.
Integrations
OpenAI
Integrate OpenAI models for advanced language understanding and generation.
Anthropic
Use Anthropic AI models for conversational intelligence.
11 Labs
Leverage 11 Labs for text-to-speech capabilities.
Deepgram
Integrate Deepgram for speech-to-text transcription.
Assembly AI
Use Assembly AI for speech recognition and analysis.
PlayHT
Text-to-speech integration for natural voice synthesis.
Azure
Microsoft Azure cloud and AI services integration.
Twilio
Telephony integration for call handling and messaging.
AWS S3
Cloud storage integration for data management.
Google Calendar
Calendar integration for scheduling and reminders.
Zendesk
Customer support platform integration.
Notion
Knowledge management and documentation integration.
Zapier
Automation platform integration to connect with thousands of apps.
Salesforce
CRM integration for customer data and workflows.
Hubspot
Marketing and sales platform integration.
Genesys
Contact center software integration.
Slack
Team communication and collaboration integration.
Benefits
Limitations
Frequently Asked Questions
What is Vapi?
How is this more cost-effective for my organization?
What is the difference from other AI voice competitors?
I need holistic customization, what types of support does your platform offer?
Is it difficult to set up?
Getting Started
- 1 Step 1: Choose your workflow from thousands of pre-made templates or build your own.
- 2 Step 2: Integrate the voice AI agent into your telephony system, website, or app using the API or SDKs.
- 3 Step 3: Deploy and scale to handle millions of calls while monitoring performance.
Support
docs
Comprehensive documentation available at https://docs.vapi.ai/
community
Community support and developer forums at https://vapi.ai/community
Contact support via the support page at https://docs.vapi.ai/support
API
API documentation and SDKs are available at https://docs.vapi.ai/
Not explicitly stated in the available information.
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