Generate Weekly Cold Email Performance Reports with ManyReach, GPT-4.1 & Slack

Overview

This n8n workflow automatically generates weekly performance reports for completed email campaigns from ManyReach, converts them to Google Docs, and shares them via Slack.

Workflow Trigger

• Schedule: Runs every Monday (weekly)
• Automates the entire reporting process without manual intervention

Process Flow

1. Data Collection

• Fetch All Campaigns: Retrieves up to 100 campaigns from ManyReach API
• Split Out: Breaks down the campaign list into individual items
• Filter: Selects only campaigns that are both:
  • Active (active = true)
  • Completed (campStatus = "completed")

2. Campaign Processing Loop

The workflow processes each filtered campaign individually:

1. Fetch One Campaign: Retrieves detailed data for the specific campaign
2. Campaign Report Agent: AI-powered analysis using GPT-4.1 that generates:
   • Executive summary with key highlights
   • Performance metrics (open rate, click rate, reply rate, conversion rate)
   • Email content analysis
   • Configuration insights
   • Actionable recommendations
   • Next steps

3. Report Generation

• Markdown → HTML: Converts the AI-generated markdown report to HTML format
• Set Details: Prepares document metadata (name, content)
• HTML → Magic 🪄: Formats the HTML content for Google Drive upload with proper styling

4. Distribution

• Upload Doc: Creates a new Google Doc in the connected Drive account
• Send a Doc Link: Posts the document link to the #manyreach Slack channel with campaign name

Key Features

• Automated Analysis: AI evaluates campaign performance against industry benchmarks
• Comprehensive Metrics: Tracks prospects, opens, clicks, replies, conversions, and interested leads
• Professional Reports: Generated as formatted Google Docs for easy sharing
• Team Notifications: Automatic Slack alerts keep the team informed

Required Credentials

• ManyReach API (HTTP Query Auth)
• OpenAI API (for GPT-4.1)
• Google Drive OAuth2
• Slack OAuth2

Output

Each completed campaign receives a detailed performance report posted to Slack with a direct link to the Google Doc for review and collaboration.