This workflow corresponds to n8n.io template #5847 — we link there as the canonical source.
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 →
{
"id": "FBguDlbJmbBGngKf",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Voice Assistant \u2013 Restaurant Booking, Orders & Info System",
"tags": [],
"nodes": [
{
"id": "ca6c5397-c47e-4fde-b08a-c996fc5b242b",
"name": "Trigger: Voice Request (VAPI)",
"type": "n8n-nodes-base.webhook",
"position": [
-20,
-380
],
"parameters": {
"path": "9f6b9125-0b75-41c2-87a9-1b6746c89e2e",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "bbb963c4-1fc3-4dbc-84c5-ed818197fc8a",
"name": "Update Data (Table Booking / Orders)",
"type": "n8n-nodes-base.postgres",
"position": [
420,
-380
],
"parameters": {
"table": {
"__rl": true,
"mode": "name",
"value": "id"
},
"schema": {
"__rl": true,
"mode": "list",
"value": "public"
},
"columns": {
"value": {},
"schema": [],
"mappingMode": "autoMapInputData",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "upsert"
},
"credentials": {
"postgres": {
"name": "<your credential>"
}
},
"typeVersion": 2.6
},
{
"id": "97376776-cc21-434b-89b3-e373d4fcc0fe",
"name": "Respond: Booking/Order Confirmation (VAPI)",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
640,
-380
],
"parameters": {
"options": {},
"respondWith": "json",
"responseBody": "={\n \"results\": [\n {\n \"toolCallId\": \"{{ $('Trigger: Voice Request (VAPI)').item.json.body.message.toolCalls[0].id }}\",\n \"result\": \"{{ $json.status }}\"\n }\n ]\n}"
},
"typeVersion": 1.2
},
{
"id": "7cdb8cb3-94fd-4784-9b79-c9ae26fd7ae6",
"name": "Wait For Response",
"type": "n8n-nodes-base.wait",
"position": [
200,
-380
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "f715f043-661b-4118-9763-642128d936ce",
"name": "Wait For Response1",
"type": "n8n-nodes-base.wait",
"position": [
420,
-120
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "4a2f8aee-6e5a-44d5-873c-8b8c28aeff3b",
"name": "Trigger: Info Request (VAPI)",
"type": "n8n-nodes-base.webhook",
"position": [
-20,
-120
],
"parameters": {
"path": "efe2c13f-1ba5-46e1-9996-57bdc6041973",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "33a7e434-5228-4475-9b21-a5afb7c8656b",
"name": " Get Restaurant Info (Postgres)",
"type": "n8n-nodes-base.postgres",
"position": [
200,
-120
],
"parameters": {
"table": {
"__rl": true,
"mode": "name",
"value": "id"
},
"schema": {
"__rl": true,
"mode": "list",
"value": "public"
},
"options": {},
"operation": "select"
},
"credentials": {
"postgres": {
"name": "<your credential>"
}
},
"typeVersion": 2.6
},
{
"id": "09058c8d-e3f4-4caa-898a-123ef4ec3eba",
"name": "Respond: Restaurant Details (VAPI)",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
640,
-120
],
"parameters": {
"options": {},
"respondWith": "json",
"responseBody": "={\n \"results\": [\n {\n \"toolCallId\": \"{{ $('Trigger: Info Request (VAPI)').item.json.body.message.toolCalls[0].id }}\",\n \"result\": \"{{ $json.available }}\"\n }\n ]\n}"
},
"typeVersion": 1.2
},
{
"id": "e5c43fa2-68c9-4303-bd74-6662cf95a05f",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-480,
-620
],
"parameters": {
"color": 4,
"width": 440,
"height": 340,
"content": "## Table Booking & Order Handling\n\n- Use this workflow to let the voice assistant take table reservations and food orders from customers.\n\n- It saves booking and order details into the database and confirms them back to the customer instantly.\n\n\n"
},
"typeVersion": 1
},
{
"id": "4ec14fb4-e367-4b3f-bba4-50cc70c008d2",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-500,
-220
],
"parameters": {
"width": 480,
"height": 340,
"content": "## Restaurant Info Provider\n\n- Use this workflow to let the voice assistant take table reservations and food orders from customers.\n\n- It saves booking and order details into the database and confirms them back to the customer instantly.\n\n\n"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"timezone": "Asia/Kolkata",
"callerPolicy": "workflowsFromSameOwner",
"executionOrder": "v1"
},
"versionId": "01e81376-112a-42ae-bb2f-5037a2d5da94",
"connections": {
"Wait For Response": {
"main": [
[
{
"node": "Update Data (Table Booking / Orders)",
"type": "main",
"index": 0
}
]
]
},
"Wait For Response1": {
"main": [
[
{
"node": "Respond: Restaurant Details (VAPI)",
"type": "main",
"index": 0
}
]
]
},
"Trigger: Info Request (VAPI)": {
"main": [
[
{
"node": " Get Restaurant Info (Postgres)",
"type": "main",
"index": 0
}
]
]
},
"Trigger: Voice Request (VAPI)": {
"main": [
[
{
"node": "Wait For Response",
"type": "main",
"index": 0
}
]
]
},
" Get Restaurant Info (Postgres)": {
"main": [
[
{
"node": "Wait For Response1",
"type": "main",
"index": 0
}
]
]
},
"Update Data (Table Booking / Orders)": {
"main": [
[
{
"node": "Respond: Booking/Order Confirmation (VAPI)",
"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.
postgres
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
This n8n template demonstrates how to create a comprehensive voice-powered restaurant assistant that handles table reservations, food orders, and restaurant information requests through natural language processing. The system uses VAPI for voice interaction and PostgreSQL for…
Source: https://n8n.io/workflows/5847/ — 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.
Mercanta — WA Bot. Uses postgres, httpRequest. Webhook trigger; 24 nodes.
This n8n workflow automates the transformation of raw text ideas into structured visual diagrams and content assets using NapkinAI.
Receive request via webhook with customer question Analyze sentiment and detect urgency using JavaScript Send urgent alerts to Slack for critical cases Search knowledge base and fetch conversation his
PURPOSE: Automatically send professional appointment reminders via email and SMS to reduce no-shows and improve patient experience.