Post Call Webhook: What, Why, and How

The Post Call Webhook is a vital automation tool for logging, extracting, and acting on call data once a call ends. Whether it's an inbound, outbound, or widget-based (like the voice orb) call, this webhook gives you the power to drive workflows and notifications using the rich information collected during every conversation.

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What is the Post Call Webhook?

• Definition:
  A Post Call Webhook sends detailed call data to your specified endpoint after every completed call—triggering automations in your CRM, Make, N8N, BuildShip, spreadsheets, or any compatible system.
  
  

• Payload includes:
  

  • Transcript
    
    

  • Call summary
    
    

  • “To” and “from” phone numbers
    
    

  • Contact ID
    
    

  • Call direction
    
    

  • Call recording URL
    
    

  • Automatic data extractions (if set up)
    
    

• Common Use Cases:
  

  • Log all call details in your CRM, including transcripts and recordings
    
    

  • Send notifications (to owners, team members, or departments)
    
    

  • Fill out spreadsheets for call analytics
    
    

  • Use extraction data in downstream automations
    
    

💡 Tip: Automatic data extractions (custom fields, tags, etc.) are included in this webhook payload, letting you use them for powerful follow-up automations.

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How to Set Up the Post Call Webhook

1. Find the Post Call Webhook Field:
   

   • Go to your AI assistant editor.
     
     

   • Navigate to Call Settings.
     
     

   • Scroll down to Post Call Webhook.
     
     

2. Create a Webhook Endpoint:
   

   • In your CRM, automation tool, or integration platform, create a workflow with an Inbound Webhook trigger.
     
     

   • Copy the provided webhook URL.
     
     

3. Connect Your AI Assistant:
   

   • Paste the webhook URL into the Post Call Webhook field in your AI editor.
     
     

   • Initialize the connection (usually by clicking an arrow or “test” button).
     
     

4. Map Data in Your Workflow:
   

   • Return to your CRM/automation tool and refresh your webhook mapping reference.
     
     

   • Use the latest incoming payload as your mapping reference for the rest of the automation.
     
     

   • Key step: Delete the default action ‘Create Contact’ that shows up and add the action ‘Find Contact’. Filter for the Contact ID from the webhook payload to find the correct contact in your CRM so you can attach notes, transcripts, or other actions to the right person.
     
     

5. Build Your Workflow Actions:
   

   • After the “Find Contact” action, add whatever steps you need (e.g., create a note with call summary, send notification, update custom fields, etc.).
     
     

   • Use variables from the payload (summary, transcript, recording URL, extractions) in your workflow actions.
     
     

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Troubleshooting & Tips

• Missing or Incorrect Data:
  
  

  • Double-check that the latest payload is selected as your mapping reference (especially if you’ve changed extraction tools or fields).
    
    

  • Replace or update any variables if you’ve edited the automation or webhook payload.
    
    

• Contact Not Found:
  
  

  • Ensure the Contact ID from the webhook is correctly mapped to your CRM’s contact lookup.
    
    

• Webhook URL Issues:
  
  

  • Always use the exact URL provided by your automation platform. If issues persist, re-copy and re-initialize the connection.
    
    

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🛠️ Pro Tip: Use the Post Call Webhook in tandem with automatic data extractions for maximum automation power.