Review AI ad copy with Claude and route outcomes to HubSpot and Slack

by Mayank Bhadrasen ✓ · 0 views · created 2026-10-14 · Content Creation, AI Summarization

What this workflow does

This workflow has 34 nodes and runs when an HTTP POST request hits its webhook URL (plus 2 other triggers). Along the way it connects Gmail and Google Sheets. It also calls api.anthropic.com, slack.com and api.hubapi.com over HTTP.

How it runs

Trigger: When an HTTP POST request hits its webhook URL (plus 2 other triggers).

1. Set Routing Parameters (Edit Fields (Set)): sets 6 fields: claude_model, slack_channel_urgent, slack_channel_review…
2. Set Report Parameters (Edit Fields (Set)): sets 6 fields: report_email, lookback_hours, run_id…
3. Validate and Normalize Variant (Code): runs custom JavaScript code
4. Verify Action Log Table (Data table): create (table)
5. If: checks a condition and branches into true / false
6. Read Action Log Data (Data table): get
7. Verify Processing Status (Data table): get
8. Handle Rejected Variant (Code): runs custom JavaScript code
9. Calculate Run Statistics (Code): runs custom JavaScript code
10. If: checks a condition and branches into true / false

…plus 21 more steps. See the full node list below.

Services it uses

GmailGoogle Sheets

HTTP calls to: api.anthropic.com, slack.com, api.hubapi.com

Before you upgrade to n8n 3.0

Nodes used (12)

• Webhookn8n-nodes-base.webhook
• Edit Fields (Set)n8n-nodes-base.set
• Coden8n-nodes-base.code
• Ifn8n-nodes-base.if
• Data tablen8n-nodes-base.dataTable
• HTTP Requestn8n-nodes-base.httpRequest
• Respond to Webhookn8n-nodes-base.respondToWebhook
• Manual Triggern8n-nodes-base.manualTrigger
• Schedule Triggern8n-nodes-base.scheduleTrigger
• Gmailn8n-nodes-base.gmail
• Convert to Filen8n-nodes-base.convertToFile
• Google Sheetsn8n-nodes-base.googleSheets

From the author

Quick overview This workflow receives AI-generated ad copy variants via a webhook, validates and deduplicates them, then uses Anthropic Claude to approve, review, or block each variant and (in live mode) creates a HubSpot task and posts a Slack alert while…

View the original on n8n.io → Check your own copy