# npm install @vapi-ai/server-sdk
import { VapiClient } from '@vapi-ai/server-sdk';

const vapi = new VapiClient({
  token: 'YOUR_PRIVATE_API_KEY' // Get your private api key from the dashboard
});

async function createCall() {
  const call = await vapi.calls.create({
    phoneNumberId: 'YOUR_PHONE_NUMBER_ID', // Create a free phone number in the dashboard
    customer: { number: '+1234567890' }, // Your customer's phone number
    assistant: {
      model: {
        provider: 'openai',
        model: 'gpt-4o',
        messages: [
          {
            role: 'system',
            content: 'You are a helpful AI assistant. Keep your responses concise and friendly.'
          }
        ]
      }
    }
  });
}

# npm install @vapi-ai/server-sdk
import { VapiClient } from '@vapi-ai/server-sdk';

const vapi = new VapiClient({
  token: 'YOUR_PRIVATE_API_KEY' // Get your private api key from the dashboard
});

async function createCall() {
  const call = await vapi.calls.create({
    phoneNumberId: 'YOUR_PHONE_NUMBER_ID', // Create a free phone number in the dashboard
    customer: { number: '+1234567890' }, // Your customer's phone number
    assistant: {
      model: {
        provider: 'openai',
        model: 'gpt-4o',
        messages: [
          {
            role: 'system',
            content: 'You are a helpful AI assistant. Keep your responses concise and friendly.'
          }
        ]
      }
    }
  });
}