Automated sales follow-up system using HighLevel, Gmail, Slack & Google Sheets

📘 Description: This workflow automates sales contact follow-ups and engagement tracking by integrating HighLevel CRM, Gmail, Slack, and Google Sheets. It fetches all contacts from HighLevel, filters inactive contacts, sends personalized follow-up emails, checks for responses, and notifies the sales team accordingly. It eliminates manual follow-up tracking, ensures timely outreach, and provides real-time notifications — helping sales teams maintain engagement, respond promptly, and improve lead conversion. ⚙️ What This Workflow Does (Step-by-Step) 🟢 Manual Trigger – Starts the automation manually Action: Initiates the workflow for immediate follow-up execution or testing. 📦 Fetch Contacts from HighLevel CRM Action: Retrieves all contacts from HighLevel, including names, emails, and metadata for full visibility. 🔍 Validate Deal Fetch Success (IF Node) Action: Verifies that fetched contacts contain valid IDs. ✅ True Path: Continues to filter inactive contacts. ❌ False Path: Logs invalid or missing contacts to Google Sheets for auditing and troubleshooting. 🧹 Filter Contacts with No Response Action: Selects contacts who have not replied in the last 24 hours, ensuring follow-ups target only inactive leads. 📊 Get Most Recent Contact Action: Retrieves the latest contact based on last updated time and calculates hours since last interaction. 📧 Send Follow-Up Email to Contact Action: Sends a personalized email to the contact, asking for confirmation or questions and including dynamic details like name and last interaction time. ⏳ Wait for 24 Hours Before Next Action Action: Pauses the workflow for 24 hours to allow contacts sufficient time to respond. 📨 Retrieve Email Thread for Response Action: Fetches the most recent Gmail thread using the thread ID to check if the contact has replied. ✅ Check If Contact Responded with “Yes” (IF Node) Action: Evaluates if the response contains the word “yes”. ✅ True Path: Triggers Slack notification for positive response. ❌ False Path: Triggers Slack notification for no response. 💬 Notify Sales Team in Slack if Response Received Action: Sends a Slack message notifying the team of a positive reply, including contact details and response snippet. ⚠️ Notify Sales Team in Slack if No Response Action: Sends a Slack message notifying the team that the contact hasn’t replied, including contact info, follow-up timestamp, and waiting status. 🚨 Log Fetch or Validation Errors (Error Handling) Action: Records any fetch or validation errors in Google Sheets for easy review and troubleshooting. 🧩 Prerequisites HighLevel CRM API OAuth credentials Gmail OAuth2 credentials for sending and fetching emails Google Sheets document for error logging Slack API credentials for notifications 💡 Key Benefits ✅ Fully automated follow-up workflow for sales contacts ✅ Timely notifications for positive and inactive responses ✅ Personalized emails to contacts ✅ Transparent tracking and logging of errors ✅ Seamless integration across HighLevel, Gmail, Slack, and Google Sheets 👥 Perfect For Sales teams managing multiple leads Marketing teams ensuring lead engagement Startups scaling outreach efforts Organizations using HighLevel CRM + Gmail + Slack for sales follow-ups