This tutorial walks you through setting up your first AI voice agent on Retell AI — the premium-quality platform for high-stakes conversations. Total time: 2-4 hours.

Step 1: Sign up for Retell AI

This step covers sign up for retell ai. Follow the platform-specific instructions for Retell AI.

Step 2: Get phone number

This step covers get phone number. Follow the platform-specific instructions for Retell AI.

Step 3: Configure LLM and TTS

This step covers configure llm and tts. Follow the platform-specific instructions for Retell AI.

Step 4: Write your system prompt

This step covers write your system prompt. Follow the platform-specific instructions for Retell AI.

Step 5: Set up webhooks

This step covers set up webhooks. Follow the platform-specific instructions for Retell AI.

Step 6: Test with real call

This step covers test with real call. Follow the platform-specific instructions for Retell AI.

Step 7: Optimize for quality

This step covers optimize for quality. Follow the platform-specific instructions for Retell AI.

Step 8: Deploy to production

This step covers deploy to production. Follow the platform-specific instructions for Retell AI.

Ready to deploy?

See our complete 2026 guide for everything you need to know before going live.

Read the complete guide