retellai-upgrade-migration

# Retell AI Upgrade Migration ## Overview Implementation patterns for Retell AI upgrade migration — voice agent and telephony platform. ## Prerequisites - Completed `retellai-install-auth` setup ## Instructions ### Step 1: SDK Pattern ```typescript import Retell from 'retell-sdk'; const retell = new Retell({ apiKey: process.env.RETELL_API_KEY! }); const agents = await retell.agent.list(); console.log(`Agents: ${agents.length}`); ``` ## Output - Retell AI integration for upgrade migration ## Error Handling | Error | Cause | Solution | |-------|-------|----------| | 401 Unauthorized | Invalid API key | Check RETELL_API_KEY | | 429 Rate Limited | Too many requests | Implement backoff | | 400 Bad Request | Invalid parameters | Check API documentation | ## Resources - [Retell AI Documentation](https://docs.retellai.com) - [retell-sdk npm](https://www.npmjs.com/package/retell-sdk) ## Next Steps See related Retell AI skills for more workflows.