gabrielmoreira Retell AI Observability
Overview
Implementation patterns for Retell AI observability — voice agent and telephony platform.
Prerequisites
- Completed
retellai-install-authsetup
Instructions
Step 1: SDK Pattern
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 observability
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 |
Examples
Alert on a regression while protecting call content
Emit structured metrics for call completion, transfer outcome, latency, and provider errors using agent version and environment as bounded labels. When an alert fires, link the affected call identifiers to a restricted investigation record instead of attaching transcripts to the dashboard. Compare a synthetic call against the last known-good version, then make one reversible routing or configuration change and watch the same metrics through the defined recovery window.
Resources
Next Steps
See related Retell AI skills for more workflows.