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Generate Shopify review outreach drafts with Apify, Hunter, GPT-4o and Gmail

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1. Workflow Overview

Quick Overview This workflow runs daily to scrape competitor Shopify app reviews via Apify, logs and deduplicates new low rated reviews in Google Sheets, looks up the reviewer’s website with Serper...

Best for

  • Lead Generation automation workflows
  • Multimodal AI automation workflows
  • advanced n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.lmchatopenai, n8n-nodes-base.splitinbatches, n8n-nodes-base.googlesheets, n8n-nodes-base.code, n8n-nodes-base.hunter, @n8n/n8n-nodes-langchain.chainllm, n8n-nodes-base.filter, n8n-nodes-base.scheduletrigger

Source and attribution

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

Original n8n.io source

1.1 Workflow description

Title
Generate Shopify review outreach drafts with Apify, Hunter, GPT-4o and Gmail
Workflow name
Generate Shopify review outreach drafts with Apify, Hunter, GPT-4o and Gmail

Quick Overview

This workflow runs daily to scrape competitor Shopify app reviews via Apify, logs and deduplicates new low-rated reviews in Google Sheets, looks up the reviewer’s website with Serper, enriches contacts with Hunter, generates a personalized outreach email with OpenAI, saves it as a Gmail draft, and alerts in Slack.

How it works

  1. Runs every day on a schedule.
  2. Scrapes recent reviews from a set of Shopify app review URLs using an Apify actor, removes duplicate review IDs, and keeps only reviews with a rating of 4 or less.
  3. Processes each review one at a time and checks Google Sheets to see whether the Review ID already exists.
  4. For new reviews, appends the review details to Google Sheets and posts a “new review detected” alert to a Slack channel.
  5. Searches Google via the Serper API for the reviewer’s official website, extracts a clean domain from the top result, and uses Hunter to find a contact email.
  6. Uses OpenAI to draft a short personalized outreach email based on the review, saves it as a Gmail draft, updates the corresponding Google Sheets row with contact details and the draft, and posts a “draft ready” alert to Slack.

Setup

  1. Connect credentials for Apify, Google Sheets, Serper (HTTP Header Auth API key), Hunter, OpenAI, Gmail, and Slack.
  2. Update the list of competitor Shopify review page URLs and the Apify actor input settings (for example, maxItems) to match what you want to monitor.
  3. Point the Google Sheets nodes to your spreadsheet and ensure it includes columns like Review ID, Date, Rating, Review Text, Competitor URL, Reviewer Domain, Website, Contact Name, Contact Title, Contact Email, Status, and Draft-Email.
  4. Select the Slack channel where both “new review” and “draft ready” messages should be posted.
  5. Ensure your Gmail account is authorized and able to create drafts addressed to the email returned by Hunter.

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 - OpenAI Chat Model

Type / Role
@n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices
Version 1.3

Block 2 - Process Each Review

Type / Role
n8n-nodes-base.splitInBatches - splitInBatches
Config choices
Version 3

Block 3 - Check Existing Reviews

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

Block 4 - Log New Review

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

Block 5 - Extract Clean Domain

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

Block 6 - Hunter: Find Contact Info

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

Block 7 - Generate Outreach Draft

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

Block 8 - Filter 4 Stars or Less

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

Block 9 - Trigger Daily

Type / Role
n8n-nodes-base.scheduleTrigger - scheduleTrigger
Config choices
Version 1.3

Block 10 - Set Target App URLs

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

Block 11 - Scrape Shopify Reviews

Type / Role
@apify/n8n-nodes-apify.apify - apify
Config choices
Version 1

Block 12 - Remove Duplicate Reviews

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

Block 13 - If Review is New

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

Block 14 - Search Google for Website

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

Block 15 - Save Email as Draft

Type / Role
n8n-nodes-base.gmail - gmail
Config choices
Version 2.2

Block 16 - Update Contact Info

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

Block 17 - Draft Ready Alert

Type / Role
n8n-nodes-base.slack - slack
Config choices
Version 2.4

Block 18 - Alert New Review Detected

Type / Role
n8n-nodes-base.slack - slack
Config choices
Version 2.4

Block 19 - Sticky Note

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

Block 20 - Sticky Note1

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

Block 21 - Sticky Note2

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

Block 22 - Sticky Note3

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

Block 23 - Sticky Note4

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

Block 24 - Sticky Note5

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

Showing the first 24 of 36 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow Generate Shopify review outreach drafts with Apify, Hunter, GPT-4o and Gmail
Complexity advanced
Nodes 36
Categories Lead Generation, Multimodal AI
Author Jitesh Dugar
Published 09 Jun 2026

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/16209/16209.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

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

  4. 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. 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.

Frequently asked questions

What does Generate Shopify review outreach drafts with Apify, Hunter, GPT-4o and Gmail do?

Quick Overview This workflow runs daily to scrape competitor Shopify app reviews via Apify, logs and deduplicates new low rated reviews in Google Sheets, looks up the reviewer’s website with Serper...

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 Lead Generation, Multimodal AI use case.