🎫 Send Slack alerts for negative Google Maps reviews with API Direct
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Description
Quick overview
This workflow runs every morning to find your Google Maps business listing with API Direct, fetch the newest reviews, and post new 1–3 star reviews to a Slack channel for fast team response.
How it works
- Runs every morning on a schedule.
- Searches Google Maps via API Direct using a plain-text business query and keeps the top matching place.
- Fetches the newest Google Maps reviews for that place via API Direct.
- Deduplicates reviews by remembering previously seen review IDs in the workflow’s persistent static data.
- Filters the remaining reviews to only those with a rating of 3 stars or lower.
- Posts an alert to Slack with the rating, author, timestamp, review text snippet, whether the owner has replied, and a direct review link.
Setup
- Create an API Direct account, add your API Direct API key as n8n credentials, and select it in both API Direct nodes.
- Connect a Slack account in n8n and select the destination channel for alerts.
- Update the business search text (name and location) in the business settings so the workflow finds the correct Google Maps listing.
- Activate the workflow so the “seen review” memory persists across scheduled runs.
Requirements
- An API Direct API key (new accounts include free credit)
- A Slack workspace
Customization
- Alert on 1-2 stars only (or all reviews) by editing the filter
- Monitor several locations by turning the Set node into a list and looping over it
- Swap Slack for Gmail, Discord, or Telegram — the review fields flow straight through
Additional info
API Direct is a verified community node, available on n8n Cloud and self-hosted n8n — search “API Direct” in the nodes panel to install. One API key covers Twitter/X, Reddit, TikTok, Instagram, YouTube, Facebook, Threads, Truth Social and Google News/Maps/web search (58 operations), pay-as-you-go from $0.002/request.
🔗 Nodes Used
Slack, Schedule Trigger, Filter
📥 Import
Download workflow.json and import into n8n:
Workflow menu → Import from File