Automate Outbound Voice Calls from Go High Level Opportunities with Vapi

This workflow triggers when a new opportunity is created in Go High Level (GHL), fetches the associated contact details, and initiates an outbound call using Vapi. The call is made by a Vapi assistant configured with the appropriate credentials.

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🧾 Requirements

Go High Level (GHL)

• A Go High Level account
• GHL developer private app and credentials enabled in n8n
• Webhook URL from n8n added to your GHL private app

Vapi

• A Vapi account with credit
• A connected phone number to make calls
• An assistant created and ready to make calls
• Your Vapi API key

🔗 Useful Links

• GHL Docs
• Vapi Docs
• n8n GHL Credentials Setup

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🔄 Workflow Breakdown

1. Trigger: GHL Opportunity Created

• Triggered by a Webhook (POST) from Go High Level when a new opportunity is created.
• Webhook URL must be enabled in your GHL private app.

2. Get a GHL Contact

• Retrieves contact details from GHL CRM using the contact ID from the opportunity.
• Includes information such as phone number, name, and custom fields.

3. Wait 5 Minutes

• Introduces a short delay before making the call to avoid immediate outreach.
• Helps ensure data is synced and gives the system time for any follow-up automation.

4. Set Vapi Fields (Manual Step)

• Set the required fields for the Vapi API call:
  • vapiPhoneNumberId – the number id making the call
  • vapiAssistantId – the assistant who will handle the call
  • vapiApi – your secure Vapi API key

5. Start Outbound Vapi Call

• Sends a POST request to https://api.vapi.ai/call
• Payload includes:
  • Contact’s phone number
  • Selected Vapi assistant
  • Vapi phone number id to start the call

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✅ Summary

This n8n automation connects your CRM (Go High Level) with voice automation (Vapi) to immediately respond to new opportunities. Once a lead is created, they will receive a personalized voice call from a Vapi AI assistant.

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