Install and configure Retell AI SDK/CLI authentication. Use when setting up a new Retell AI integration, configuring API keys, or initializing Retell AI in your project. Trigger with phrases like "install retellai", "setup retellai", "retellai auth", "configure retellai API key".
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Set up Retell AI SDK/CLI and configure authentication credentials.
set -euo pipefail
# Node.js
npm install @retellai/sdk
# Python
pip install retellai
# Set environment variable
export RETELLAI_API_KEY="your-api-key"
# Or create .env file
echo 'RETELLAI_API_KEY=your-api-key' >> .env
// Test connection code here
| Error | Cause | Solution |
|---|---|---|
| Invalid API Key | Incorrect or expired key | Verify key in Retell AI dashboard |
| Rate Limited | Exceeded quota | Check quota at https://docs.retellai.com |
| Network Error | Firewall blocking | Ensure outbound HTTPS allowed |
| Module Not Found | Installation failed | Run npm install or pip install again |
import { RetellAIClient } from '@retellai/sdk';
const client = new RetellAIClient({
apiKey: process.env.RETELLAI_API_KEY,
});
from retellai import RetellAIClient
client = RetellAIClient(
api_key=os.environ.get('RETELLAI_API_KEY')
)
After successful auth, proceed to retellai-hello-world for your first API call.