---

name: retellai-cost-tuning description: "Retell AI cost tuning \u2014 AI voice agent and phone call automation.\n
Use when working with Retell AI for voice agents, phone calls, or telephony.\nTrigger
\ with phrases like "retell cost tuning", "retellai-cost-tuning", "voice agent"
.\n" allowed-tools: Read, Write, Edit, Bash(npm:), Bash(curl:), Grep version: 2.0.0 license: MIT author: Jeremy Longshore jeremy@intentsolutions.io tags:

• saas
• retellai
• voice
• telephony
• ai-agents compatibility: Designed for Claude Code, also compatible with Codex and OpenClaw

---

Retell AI Cost Tuning

Overview

Implementation patterns for Retell AI cost tuning — voice agent and telephony platform.

Prerequisites

• Completed retellai-install-auth setup

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 cost tuning

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
• retell-sdk npm

Next Steps

See related Retell AI skills for more workflows.