Summarize sales calls into GoHighLevel notes with Deepgram, Gemini, and Sheets

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1. Workflow Overview

Quick overview Youtube Video Explanation: https://youtu.be/GNAplBWdCDE?si=fX31M nu3sP2b276 This workflow receives an authenticated webhook with an audio file and mobile number, looks up the matchin...

Best for

CRM automation workflows
AI Summarization automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.stickynote, n8n-nodes-base.webhook, n8n-nodes-base.respondtowebhook, @n8n/n8n-nodes-langchain.chainllm, @n8n/n8n-nodes-langchain.lmchatgooglegemini, n8n-nodes-base.highlevel, n8n-nodes-base.httprequest, n8n-nodes-base.if

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by iamvaar.

Original n8n.io source

1.1 Workflow description

Title: Summarize sales calls into GoHighLevel notes with Deepgram, Gemini, and Sheets
Workflow name: Summarize sales calls into GoHighLevel notes with Deepgram, Gemini, and Sheets

Quick overview

Youtube Video Explanation: https://youtu.be/GNAplBWdCDE?si=fX31M-nu3sP2b276 This workflow receives an authenticated webhook with an audio file and mobile number, looks up the matching contact and recent notes in GoHighLevel, transcribes the audio with Deepgram, generates a structured CRM call note using Gemini, and logs the results to Google Sheets before responding.

How it works

Receives an authenticated POST webhook request containing a contact mobile number and an uploaded audio file.
Looks up the contact in GoHighLevel (LeadConnector) by the provided mobile number and continues only if a matching contact ID is found.
Extracts the uploaded audio from the webhook payload and sends it to Deepgram’s transcription API to produce a call transcript.
Retrieves the contact’s notes from GoHighLevel and uses only notes from the last 30 days as context.
Sends the recent notes and transcript to Google Gemini to generate a structured CRM interaction note.
Appends or updates a row in Google Sheets with the contact details, recent notes, execution link, and the AI-generated note.
Returns the workflow result back to the original webhook request.

Setup

Configure the Webhook trigger URL in your calling app and include the required header authentication plus a POST body field named mobile_number and a binary audio upload.
Add GoHighLevel (HighLevel OAuth2) credentials with access to contacts and notes for your location/account.
Add a Deepgram API key (HTTP Header Auth) and ensure the webhook uploads an audio format supported by Deepgram.
Add Google Gemini (Google PaLM) credentials for the Gemini chat model used to generate the CRM note.
Add Google Sheets service account credentials, select the target spreadsheet and sheet, and replace https://enter-your-n8n-instance-url-here with your n8n base URL for the execution link.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 2 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 3 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 4 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 5 - When Webhook Received

Type / Role: n8n-nodes-base.webhook - webhook
Config choices: Version 2.1

Block 6 - Respond to Webhook

Type / Role: n8n-nodes-base.respondToWebhook - respondToWebhook
Config choices: Version 1.5

Block 7 - Generate LLM Response

Type / Role: @n8n/n8n-nodes-langchain.chainLlm - chainLlm
Config choices: Version 1.9

Block 8 - Gemini Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatGoogleGemini - lmChatGoogleGemini
Config choices: Version 1.1

Block 9 - Fetch GHL Contacts

Type / Role: n8n-nodes-base.highLevel - highLevel
Config choices: Version 2

Block 10 - Transcribe Audio via Deepgram

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.4

Block 11 - Fetch User Notes

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.4

Block 12 - Check Mobile Number

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.3

Block 13 - Check Contact Existence

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.3

Block 14 - Extract Binary Data

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 15 - Sticky Note6

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 16 - Append Logs to Sheets

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 17 - Create a Note about call summary

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.4

3. Summary Table

Workflow	Summarize sales calls into GoHighLevel notes with Deepgram, Gemini, and Sheets
Complexity	advanced
Nodes	17
Categories	CRM, AI Summarization
Author	iamvaar
Published	13 Jun 2026

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/16337/16337.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source CRM workflows AI Summarization workflows

Frequently asked questions

What does Summarize sales calls into GoHighLevel notes with Deepgram, Gemini, and Sheets do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your CRM, AI Summarization use case.

iamvaar

38 workflows

Nodes

n8n-nodes-base.stickynote n8n-nodes-base.webhook n8n-nodes-base.respondtowebhook @n8n/n8n-nodes-langchain.chainllm @n8n/n8n-nodes-langchain.lmchatgooglegemini n8n-nodes-base.highlevel n8n-nodes-base.httprequest n8n-nodes-base.if

Complexity

advanced

Published 13 Jun 2026

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/16337/16337.json

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Summarize sales calls into GoHighLevel notes with Deepgram, Gemini, and Sheets

Workflow preview

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Quick overview

How it works

Setup

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Sticky Note

Block 2 - Sticky Note1

Block 3 - Sticky Note2

Block 4 - Sticky Note3

Block 5 - When Webhook Received

Block 6 - Respond to Webhook

Block 7 - Generate LLM Response

Block 8 - Gemini Chat Model

Block 9 - Fetch GHL Contacts

Block 10 - Transcribe Audio via Deepgram

Block 11 - Fetch User Notes

Block 12 - Check Mobile Number

Block 13 - Check Contact Existence

Block 14 - Extract Binary Data

Block 15 - Sticky Note6

Block 16 - Append Logs to Sheets

Block 17 - Create a Note about call summary

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions