curl -X PATCH https://api.thinnest.ai/agents/agent_abc123 \
  -H "Authorization: Bearer $THINNESTAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "voice_tools": {
      "post_call_follow_up": {
        "enabled": true,
        "actions": [
          {
            "type": "sms",
            "template": "Thanks for calling {agent_name}! Your reference number is {call_id}."
          },
          {
            "type": "webhook",
            "url": "https://your-crm.com/api/call-completed",
            "include_transcript": true,
            "include_recording_url": true
          },
          {
            "type": "email",
            "to": "{caller_email}",
            "subject": "Your call summary — {date}",
            "body_template": "call_summary"
          }
        ]
      }
    }
  }'

{
  "event": "post_call_follow_up",
  "call_id": "call_xyz789",
  "agent_id": "agent_abc123",
  "caller_number": "+14155551234",
  "duration_seconds": 230,
  "summary": "Caller inquired about order #12345. Agent confirmed delivery date of March 15.",
  "transcript": "...",
  "recording_url": "https://api.thinnest.ai/calls/call_xyz789/recording",
  "metadata": {
    "order_id": "12345",
    "caller_name": "John Smith",
    "caller_email": "john@example.com"
  }
}