详细内容
Voice AI agents for developers
Talk to vapigive it a Try
Teamsattrail-blazingstartupstoFortune500companiesdeployvoiceagentsontheVapiplatform.
ThemostconfigurableAPItobuildleadingvoiceAIproductsandscalephoneoperations.
Calls
132M+150M+
Assistants Launched
1.3M+1.5M+
Developers
308K+350K+
API
Making voice AI simple and accessible.
TypeScriptPythoncURLReact (web SDK)
1# npm install @vapi-ai/server-sdk
2import { VapiClient } from '@vapi-ai/server-sdk';
3
4const vapi = new VapiClient({
5 token: 'YOUR_PRIVATE_API_KEY' // Get your private api key from the dashboard
6});
7
8async function createCall() {
9 const call = await vapi.calls.create({
10 phoneNumberId: 'YOUR_PHONE_NUMBER_ID', // Create a free phone number in the dashboard
11 customer: { number: '+1234567890' }, // Your customer's phone number
12 assistant: {
13 model: {
14 provider: 'openai',
15 model: 'gpt-4o',
16 messages: [\
17 {\
18 role: 'system',\
19 content: 'You are a helpful AI assistant. Keep your responses concise and friendly.'\
20 }\
21 ]
22 }
23 }
24 });
25}
26
27
Copy
Use cases
Feels human. Moves the needle.
Inbound calls
Outbound calls
Inbound calls
powers 400,000+ daily calls.
FleetWorks
saves 100s
of engineering hours monthly.
A key technical requirement was the ability to bring our own stack — Vapi's developer-friendly API-first approach made this possible.


Quang Tran
CTO, FleetWorks

Receive call
Shipper Info
Use tool
Fetch_available_jobs_from_broker
Condition
Job Available?
Integrations
Integrate with more than 40+ apps in a snap.
How It Works
Try in minutes. Deploy in days.
- 001

Choose your workflow.
Pick from 1000s of pre-made templates, or build one yourself.
- 002

Plug it in.
Whether it's in your telephony, website, or in your app, we have it covered.
- 003

Done.
Handle millions of calls and watch how they perform.
Features
Flexible for engineers. Easy for business users.
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Multilingual
Talk to agents in English, Spanish, Mandarin, or one of 100+ other supported languages.
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API-native
Everything is exposed as an API, with 1000s of configurations and integrations.
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Automated testing
Design test suites of simulated voice agents to identify hallucination risks before going to production.
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Bring your own models
Bring your own API keys for transcription, LLM, or text-to-speech models. Or, plug in your own self-hosted models.
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Tool calling
Plug in your APIs as tools to intelligently fetch data and perform actions on your server.
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A/B experiments
Test different variations of prompts, voices, and flows to continuously optimize performance.
ENTERPRISE
Reliable.
Scalable.
Secure.
99.99%uptime
Our custom real-time audio infrastructure operates with enterprise-grade reliability.
Forward-deployedteam
Get deployment assistance and a dedicated forward-deployed engineer to go live in a week.
Sub-500mslatency
Scale up and down to millions of calls in minutes with ultra-low latency interactions.
AIguardrails
Built-in conversation guardrails prevent model hallucinations and ensure data integrity.
SOC2, HIPAA,PCI compliant
Enterprise-level security for even the most regulated healthcare and financial services.
Community
112,924+250,000+devs are already here. Join the movement.
- CONFIGURATION POINTS\
\
4.2K+\
\
Docs - SUPPORT TOPICS\
\
13K+\
\
Community - FOLLOWERS\
\
9.6K+\
\
LinkedIn
Careers at vapi
Brilliant minds. Bleeding- edge tech. Relentless drive.
Join a team of the most cracked people to do rewarding work in an intensely ambitious environment.

Your questions, answered.
What is Vapi?
How is this more cost-effective for my organisation?
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?










































