Lenouar This workflow corresponds to n8n.io template #8454 — we link there as the canonical source.
This workflow follows the Agent → Google Calendar Tool recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "93118333-81b4-48a6-b5e4-ccc1eb2915df",
"name": "WhatsApp Message Received",
"type": "n8n-nodes-base.whatsAppTrigger",
"position": [
-592,
0
],
"parameters": {
"options": {
"messageStatusUpdates": [
"all"
]
},
"updates": [
"messages"
]
},
"credentials": {
"whatsAppTriggerApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "c2db53c3-7a90-444a-a785-a439ef835434",
"name": "No Operation, do nothing",
"type": "n8n-nodes-base.noOp",
"position": [
-416,
144
],
"parameters": {},
"typeVersion": 1
},
{
"id": "c528b6af-a39d-4e86-9542-1c1dd066af22",
"name": "Is Message?",
"type": "n8n-nodes-base.if",
"position": [
-416,
0
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "0655157c-cac4-4993-af22-d167b2343297",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ !!$json.messages?.[0]?.from }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "4c6e405c-53f8-477d-a55a-9fdc3ae7fbaf",
"name": "Transcribe audio",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
320,
-32
],
"parameters": {
"options": {},
"resource": "audio",
"operation": "transcribe"
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.8
},
{
"id": "df6ac069-fe1e-41d3-a872-571bae411220",
"name": "Download Voice",
"type": "n8n-nodes-base.whatsApp",
"position": [
0,
-32
],
"parameters": {
"resource": "media",
"operation": "mediaUrlGet",
"mediaGetId": "={{ $json.messages[0].audio.id }}"
},
"credentials": {
"whatsAppApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "8f30d58e-2eb3-47d7-b39f-92b85678b962",
"name": "Get Audio",
"type": "n8n-nodes-base.httpRequest",
"position": [
160,
-32
],
"parameters": {
"url": "={{ $json.url }}",
"options": {},
"authentication": "predefinedCredentialType",
"nodeCredentialType": "whatsAppApi"
},
"credentials": {
"whatsAppApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "4090b5c6-fa50-4350-8f29-c18be5aea6f0",
"name": "get_schedule",
"type": "n8n-nodes-base.googleCalendarTool",
"position": [
1168,
224
],
"parameters": {
"limit": 3,
"options": {},
"timeMax": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Before', ``, 'string') }}",
"timeMin": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('After', ``, 'string') }}",
"calendar": {
"__rl": true,
"mode": "list",
"value": "user@example.com",
"cachedResultName": "user@example.com"
},
"operation": "getAll"
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "85f332ff-cda7-43c1-9042-3a601d96075d",
"name": "ai_memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
720,
32
],
"parameters": {
"sessionKey": "={{ $json.chat_id }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.3
},
{
"id": "dc0b8085-4b5b-4ff9-aaf2-99c291caa1d4",
"name": "set_appointment",
"type": "n8n-nodes-base.googleCalendarTool",
"position": [
1408,
224
],
"parameters": {
"end": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('End', ``, 'string') }}",
"start": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Start', ``, 'string') }}",
"calendar": {
"__rl": true,
"mode": "list",
"value": "user@example.com",
"cachedResultName": "user@example.com"
},
"additionalFields": {}
},
"credentials": {
"googleCalendarOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 1.3
},
{
"id": "0efd193c-a796-4ca1-905b-a3bdd6aac5e2",
"name": "Customer Service Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
720,
-160
],
"parameters": {
"text": "={{ $json.text }}",
"options": {
"systemMessage": "=**System Prompt for WhatsApp Customer Service Bot**\n\nYou are a helpful and professional **WhatsApp customer service assistant**.\nYou always respond politely, concisely, and in a friendly tone.\nYou can answer FAQs, provide service information, and schedule appointments.\nYou must always use the provided tools to complete tasks. Do not invent answers.\n\n### Tools you must use:\n\n1. **faq_base**\n * Retrieves FAQs from a Google Sheet.\n * Returns a table with: `id | question | answer`.\n * Use when the user asks a general or frequently asked question.\n * Your job: search for the closest matching question and return the most relevant answer.\n\n2. **get_services**\n * Retrieves service information from a Google Sheet.\n * Returns a table with: `id | service_name | service_description | price`.\n * Use when the user asks about services, details, or prices.\n\n3. **get_schedule**\n * Checks Google Calendar for available time slots.\n * Input: service type, preferred day/time.\n * Returns 3 available slot options.\n * Ask the user to choose one.\n\n4. **set_appointment**\n * Books the confirmed appointment in Google Calendar.\n * Input: chosen service, date/time, and customer details (name, email, phone).\n\n5. **agent_reply**\n * Sends messages back to the user on WhatsApp.\n * Always use this tool to answer back to the user.\n\n### Rules of Behavior\n\n* Always use `agent_reply` to send every response.\n* Never make up answers \u2014 always rely on the tools.\n* If the user\u2019s request is unclear, ask clarifying questions.\n* For FAQs: query `faq_base`.\n* For service details: query `get_services`.\n* For scheduling:\n\n 1. Ask the user which service they want.\n 2. Ask for preferred day and time.\n 3. Call `get_schedule` and show 3 options.\n 4. Collect name, email, phone number.\n 5. Call `set_appointment`.\n 6. Confirm booking with the user.\n"
},
"promptType": "define"
},
"typeVersion": 2.2
},
{
"id": "3d698916-6647-4f37-8d25-14d5f6b8ef51",
"name": "faq_base",
"type": "n8n-nodes-base.googleSheetsTool",
"position": [
672,
224
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "",
"cachedResultName": "FAQ"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1YEf9xuQGoOFKOxiTHDCJSz-m-Oke-SPj8dY6Nd4Np4c",
"cachedResultUrl": "",
"cachedResultName": "Database"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "24d7069b-7738-47cd-8932-c557676fc9c2",
"name": "Agent Context",
"type": "n8n-nodes-base.set",
"position": [
544,
-160
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "7182b6f8-b1b2-4dd8-a5a0-d0c820816767",
"name": "chat_id",
"type": "string",
"value": "={{ $('WhatsApp Message Received').item.json.metadata.phone_number_id }}"
},
{
"id": "433cf6ab-8939-412b-aa92-6fca6af534e9",
"name": "from",
"type": "string",
"value": "={{ $('WhatsApp Message Received').item.json.messages[0].from }}"
},
{
"id": "f19e6d2a-6ffa-41e3-8ff3-44b70976d0d4",
"name": "text",
"type": "string",
"value": "={{ $json.text || $('WhatsApp Message Received').item.json.messages[0]?.text?.body || ''}}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "9e7842c0-de0f-4aac-a830-bc70a4e4b614",
"name": "Chat Router",
"type": "n8n-nodes-base.switch",
"position": [
-208,
-144
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "text",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a561aab7-4c3b-4c96-9bb7-078281b5c7d5",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "text"
}
]
},
"renameOutput": true
},
{
"outputKey": "voice",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b7f1055d-6651-416f-b0cd-c46e003d4f3a",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "audio"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "8fb27413-ab5f-4757-afe8-1df81dcf578d",
"name": "get_services",
"type": "n8n-nodes-base.googleSheetsTool",
"position": [
928,
224
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": 1356596420,
"cachedResultUrl": "",
"cachedResultName": "SERVICES"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1YEf9xuQGoOFKOxiTHDCJSz-m-Oke-SPj8dY6Nd4Np4c",
"cachedResultUrl": "",
"cachedResultName": "Database"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "b83be440-9e12-44fd-b003-7526dd835905",
"name": "ai_chat",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
608,
32
],
"parameters": {
"options": {}
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "ef0a1451-f68b-40f5-a7d6-c0a0fa4ea87d",
"name": "Send message",
"type": "n8n-nodes-base.whatsApp",
"position": [
1360,
-160
],
"parameters": {
"textBody": "={{ $json.output }}",
"operation": "send",
"phoneNumberId": "={{ $('Agent Context').item.json.chat_id }}",
"additionalFields": {},
"recipientPhoneNumber": "={{ $('Agent Context').item.json.from }}"
},
"credentials": {
"whatsAppApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "cb3bc335-7def-4ed5-962d-8dcd33e383f6",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1200,
-640
],
"parameters": {
"width": 864,
"height": 608,
"content": "## WhatsApp customer service bot with FAQ and appointment scheduling\n\n### Who\u2019s it for\nThis template is designed for businesses that provide customer support and appointment-based services over WhatsApp. It\u2019s ideal for service providers (e.g., clinics, salons, repair shops, consultants) that want to automate FAQs, share service information, and schedule appointments without manual effort.\n\n### How it works\n- Answers FAQs by querying a Google Sheet knowledge base.\n- Provides service information (name, description, price) from a Google Sheet.\n- Schedules appointments by:\n 1. Asking which service the customer wants.\n 2. Collecting preferred day and time.\n 3. Checking Google Calendar for availability.\n 4. Offering 3 slots and letting the customer choose.\n 5. Collecting name, email, and phone.\n 6. Creating the appointment in Google Calendar.\n- Sends all replies through WhatsApp.\n\n### Requirements\n- Google Sheets (for FAQs and Services)\n- Google Calendar\n- WhatsApp integration in n8n\n"
},
"typeVersion": 1
},
{
"id": "cbd8557c-b7cf-4c3b-819f-185627c444c9",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
592,
256
],
"parameters": {
"color": 5,
"height": 368,
"content": "\n\n\n\n\n\n\n\n\n## FAQ Handling\nThis step checks the FAQ Google Sheet (columns: id | question | answer). \nIt retrieves the closest match to the customer\u2019s question and returns the answer.\n"
},
"typeVersion": 1
},
{
"id": "1f6d9f0f-6bfb-4b4d-ae94-5af40e4c395e",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
848,
256
],
"parameters": {
"color": 5,
"height": 368,
"content": "\n\n\n\n\n\n\n\n\n## Service Information\nThis step looks up the Services Google Sheet (columns: id | service_name | service_description | price). \nIt provides details about available services and pricing.\n"
},
"typeVersion": 1
},
{
"id": "2738b689-a5ab-4e15-bf33-c133cc07dc98",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1104,
256
],
"parameters": {
"color": 6,
"height": 368,
"content": "\n\n\n\n\n\n\n\n\n## Schedule Availability\nThis step asks the customer for their preferred service, day, and time. \nIt then queries Google Calendar for available slots and returns 3 options.\n"
},
"typeVersion": 1
},
{
"id": "796d6a12-5046-4d6a-aae2-b659d7bebe30",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1360,
256
],
"parameters": {
"color": 6,
"width": 224,
"height": 368,
"content": "\n\n\n\n\n\n\n\n\n## Appointment Confirmation\nOnce the customer selects a slot, we collect their name, email, and phone number. \nThen, we create a Google Calendar event with this info using the set_appointment node.\n"
},
"typeVersion": 1
},
{
"id": "a795a3d0-5f77-46ed-af14-8c68c057c88c",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1248,
-336
],
"parameters": {
"color": 4,
"width": 320,
"height": 336,
"content": "## WhatsApp Replies\nAll communication with the user is done through the agent_reply node (WhatsApp integration). \nThis ensures the customer gets confirmations, slot options, and service details directly in chat.\n"
},
"typeVersion": 1
},
{
"id": "beef1f37-e019-49f3-a64b-944b3a448fe0",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
-48,
-48
],
"parameters": {
"color": 2,
"width": 512,
"height": 288,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n## Voice note transcribe\n** Voice Notes sent by customers are transformed into text for further processing by the AI Agent,"
},
"typeVersion": 1
}
],
"connections": {
"ai_chat": {
"ai_languageModel": [
[
{
"node": "Customer Service Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"faq_base": {
"ai_tool": [
[
{
"node": "Customer Service Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Get Audio": {
"main": [
[
{
"node": "Transcribe audio",
"type": "main",
"index": 0
}
]
]
},
"ai_memory": {
"ai_memory": [
[
{
"node": "Customer Service Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Chat Router": {
"main": [
[
{
"node": "Agent Context",
"type": "main",
"index": 0
}
],
[
{
"node": "Download Voice",
"type": "main",
"index": 0
}
]
]
},
"Is Message?": {
"main": [
[
{
"node": "Chat Router",
"type": "main",
"index": 0
}
],
[
{
"node": "No Operation, do nothing",
"type": "main",
"index": 0
}
]
]
},
"get_schedule": {
"ai_tool": [
[
{
"node": "Customer Service Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"get_services": {
"ai_tool": [
[
{
"node": "Customer Service Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Agent Context": {
"main": [
[
{
"node": "Customer Service Agent",
"type": "main",
"index": 0
}
]
]
},
"Download Voice": {
"main": [
[
{
"node": "Get Audio",
"type": "main",
"index": 0
}
]
]
},
"set_appointment": {
"ai_tool": [
[
{
"node": "Customer Service Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Transcribe audio": {
"main": [
[
{
"node": "Agent Context",
"type": "main",
"index": 0
}
]
]
},
"Customer Service Agent": {
"main": [
[
{
"node": "Send message",
"type": "main",
"index": 0
}
]
]
},
"WhatsApp Message Received": {
"main": [
[
{
"node": "Is Message?",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
googleCalendarOAuth2ApigooglePalmApigoogleSheetsOAuth2ApiopenAiApiwhatsAppApiwhatsAppTriggerApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
This template is designed for businesses that provide customer support and appointment-based services over WhatsApp. It’s ideal for service providers (e.g., clinics, salons, repair shops, consultants) that want to automate FAQs, share service information, handle voice note…
Source: https://n8n.io/workflows/8454/ — original creator credit. Request a take-down →
Related workflows
Workflows that share integrations, category, or trigger type with this one. All free to copy and import.
Transform your salon/service business with this streamlined WhatsApp automation system featuring Claude integration, zero-setup database management, and intelligent conversation handling. Claude MCP I
WhatsApp Trigger, WhatsApp, Redis +11
This automation is designed to help you generate AI-powered music tracks, cover art, and fully rendered music videos — all triggered from a simple Telegram chat and managed via Google Sheets.
OpenAI Chat, Memory Buffer Window, Output Parser Structured +11
This template is designed for anyone who wants to use WhatsApp as a personal AI assistant hub. If you often juggle tasks, emails, calendars, and expenses across multiple tools, this workflow consolida
OpenAI Chat, Memory Buffer Window, Mcp Client Tool +12
⚠️ EDUCATIONAL DEMONSTRATION ONLY - NOT FOR PRODUCTION MEDICAL USE ⚠️
Agent, Memory Postgres Chat, OpenAI Chat +7
This workflow implements an AI-powered WhatsApp booking assistant for a hair salon. The system allows customers to book, reschedule, or cancel appointments automatically via text or voice messages on
Google Calendar Tool, Google Sheets Tool, Error Trigger +15