{
  "name": "Appointment Reminder & No-Show Recovery",
  "nodes": [
    {
      "parameters": {
        "rule": { "interval": [{ "field": "hours", "hoursInterval": 1 }] }
      },
      "id": "schedule-trigger",
      "name": "Check Every Hour",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1,
      "position": [250, 300]
    },
    {
      "parameters": {
        "url": "https://api.yourehr.com/appointments",
        "method": "GET",
        "qs": {
          "date_range": "next_48_hours",
          "status": "confirmed"
        },
        "options": {}
      },
      "id": "fetch-appointments",
      "name": "Fetch Upcoming Appointments",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [470, 300]
    },
    {
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{ $json.hours_until_appointment }}",
              "operation": "equal",
              "value2": 24
            }
          ]
        }
      },
      "id": "is-24-hours",
      "name": "24hr Reminder?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [690, 200]
    },
    {
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{ $json.hours_until_appointment }}",
              "operation": "equal",
              "value2": 2
            }
          ]
        }
      },
      "id": "is-2-hours",
      "name": "2hr Reminder?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [690, 450]
    },
    {
      "parameters": {
        "from": "+1YOUR_TWILIO_NUMBER",
        "to": "={{ $json.patient_phone }}",
        "message": "Hi {{ $json.patient_name }}! 📋 Reminder: You have an appointment tomorrow at {{ $json.appointment_time }} with {{ $json.provider_name }}. Reply CONFIRM to confirm or CANCEL to reschedule. — {{ $json.clinic_name }}"
      },
      "id": "sms-24hr",
      "name": "Send 24hr SMS",
      "type": "n8n-nodes-base.twilio",
      "typeVersion": 1,
      "position": [910, 150]
    },
    {
      "parameters": {
        "from": "+1YOUR_TWILIO_NUMBER",
        "to": "={{ $json.patient_phone }}",
        "message": "Hi {{ $json.patient_name }}! ⏰ Your appointment is in 2 hours at {{ $json.appointment_time }}. Please arrive 10 minutes early. See you soon! — {{ $json.clinic_name }}"
      },
      "id": "sms-2hr",
      "name": "Send 2hr SMS",
      "type": "n8n-nodes-base.twilio",
      "typeVersion": 1,
      "position": [910, 400]
    },
    {
      "parameters": {
        "fromEmail": "appointments@yourclinic.com",
        "toEmail": "={{ $json.patient_email }}",
        "subject": "Appointment Reminder — {{ $json.appointment_date }}",
        "html": "<h2>Hi {{ $json.patient_name }},</h2><p>This is a friendly reminder about your upcoming appointment:</p><ul><li><strong>Date:</strong> {{ $json.appointment_date }}</li><li><strong>Time:</strong> {{ $json.appointment_time }}</li><li><strong>Provider:</strong> {{ $json.provider_name }}</li><li><strong>Location:</strong> {{ $json.clinic_address }}</li></ul><p>Please arrive 10 minutes early with your ID and insurance card.</p><p>Need to reschedule? <a href='{{ $json.reschedule_link }}'>Click here</a></p>"
      },
      "id": "email-reminder",
      "name": "Send Email Reminder",
      "type": "n8n-nodes-base.emailSend",
      "typeVersion": 1,
      "position": [1130, 150]
    },
    {
      "parameters": {
        "operation": "append",
        "documentId": { "__rl": true, "value": "YOUR_SPREADSHEET_ID" },
        "sheetName": "Reminder Log",
        "columns": {
          "mappingMode": "defineBelow",
          "value": {
            "Patient": "={{ $json.patient_name }}",
            "Appointment": "={{ $json.appointment_date }} {{ $json.appointment_time }}",
            "Reminder Type": "={{ $json.hours_until_appointment }}hr",
            "SMS Sent": "Yes",
            "Timestamp": "={{ $now.toISO() }}"
          }
        }
      },
      "id": "log-reminders",
      "name": "Log Reminders",
      "type": "n8n-nodes-base.googleSheets",
      "typeVersion": 4,
      "position": [1350, 300]
    }
  ],
  "connections": {
    "Check Every Hour": { "main": [[{ "node": "Fetch Upcoming Appointments", "type": "main", "index": 0 }]] },
    "Fetch Upcoming Appointments": {
      "main": [[
        { "node": "24hr Reminder?", "type": "main", "index": 0 },
        { "node": "2hr Reminder?", "type": "main", "index": 0 }
      ]]
    },
    "24hr Reminder?": { "main": [[{ "node": "Send 24hr SMS", "type": "main", "index": 0 }]] },
    "2hr Reminder?": { "main": [[{ "node": "Send 2hr SMS", "type": "main", "index": 0 }]] },
    "Send 24hr SMS": { "main": [[{ "node": "Send Email Reminder", "type": "main", "index": 0 }]] },
    "Send 2hr SMS": { "main": [[{ "node": "Log Reminders", "type": "main", "index": 0 }]] },
    "Send Email Reminder": { "main": [[{ "node": "Log Reminders", "type": "main", "index": 0 }]] }
  },
  "settings": { "executionOrder": "v1" },
  "meta": {
    "templateCredsSetupCompleted": false,
    "instanceId": "nexhealth-appointment-reminders"
  },
  "tags": [{ "name": "Healthcare" }, { "name": "Appointments" }, { "name": "SMS" }, { "name": "No-Show Prevention" }]
}