Retell AI Hello World

Overview

Minimal working example demonstrating core Retell AI functionality.

Prerequisites

• Completed retellai-install-auth setup
• Valid API credentials configured
• Development environment ready

Instructions

Step 1: Create Entry File

Create a new file for your hello world example.

Step 2: Import and Initialize Client

import { RetellAIClient } from '@retellai/sdk';

const client = new RetellAIClient({
  apiKey: process.env.RETELLAI_API_KEY,
});

Step 3: Make Your First API Call

async function main() {
  // Your first API call here
}

main().catch(console.error);

Output

• Working code file with Retell AI client initialization
• Successful API response confirming connection
• Console output showing:

Success! Your Retell AI connection is working.

Error Handling

Examples

TypeScript Example

import { RetellAIClient } from '@retellai/sdk';

const client = new RetellAIClient({
  apiKey: process.env.RETELLAI_API_KEY,
});

async function main() {
  // Your first API call here
}

main().catch(console.error);

Python Example

from retellai import RetellAIClient

client = RetellAIClient()

# Your first API call here

Resources

• Retell AI Getting Started
• Retell AI API Reference
• Retell AI Examples

Next Steps

Proceed to retellai-local-dev-loop for development workflow setup.