Automate Dynamic Variable Population for Retell Voice Agents Using Google Sheets

This workflow automates the process of populating dynamic variables for Retell Voice Agents by retrieving user data from Google Sheets based on incoming call information.

n8n
Sophia Chow

42 workflows

Automate Dynamic Variable Population for Retell Voice Agents Using Google Sheets

This workflow is designed for developers building personalized Retell Voice Agents. It leverages n8n to automate the retrieval of user data from Google Sheets, using phone numbers as the key identifier. When a call is received, the workflow fetches the relevant user data and formats it to match Retell's expected structure for dynamic variables. This allows for a seamless integration of personalized data into voice prompts, enhancing the user experience.

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Last updated August 22, 2026
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Tags

dynamic-variables
webhook
stickyNote
googleSheets
respondToWebhook

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How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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