Manu This workflow corresponds to n8n.io template #13196 — we link there as the canonical source.
This workflow follows the Error Trigger → Gmail 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": "d3cfcf6a-5a5c-45df-8e5a-9792005d09ef",
"name": "Overview",
"type": "n8n-nodes-base.stickyNote",
"position": [
-336,
-624
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "56e42c3f-9ee3-4797-9b9b-59048e06fa98",
"name": "Booking intake",
"type": "n8n-nodes-base.stickyNote",
"position": [
128,
-624
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "6d5f6245-8dd0-4e5b-8b94-f280ca61043a",
"name": "Webhook - New Booking",
"type": "n8n-nodes-base.webhook",
"position": [
144,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "3052d759-251d-45ea-ba2d-9e36e2171cac",
"name": "Validate Booking",
"type": "n8n-nodes-base.code",
"position": [
384,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "c970ffd4-c554-4005-9281-0d1a6f01f906",
"name": "IF - Valid Request",
"type": "n8n-nodes-base.if",
"position": [
624,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "c1dd93a7-4c22-428e-86eb-bc776fea4026",
"name": "Format Validation Error",
"type": "n8n-nodes-base.code",
"position": [
608,
-288
],
"parameters": {},
"typeVersion": 2
},
{
"id": "e642c5b7-0620-4059-bdd8-b5eddceb985e",
"name": "Respond - Validation Error",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
784,
-288
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "8f2acb6b-2dc7-4b94-b236-5b5edf01a797",
"name": "Duplicate and availability",
"type": "n8n-nodes-base.stickyNote",
"position": [
960,
-624
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "4b53616a-c9e9-462a-8372-3114dee473a7",
"name": "API - Check Duplicates",
"type": "n8n-nodes-base.httpRequest",
"position": [
976,
-480
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "b08ce3ff-11a3-4ef4-b6fc-7d23b078ef48",
"name": "IF - Not Duplicate",
"type": "n8n-nodes-base.if",
"position": [
1216,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "37c32fad-9f39-44e8-b604-c19bdb5ac3fe",
"name": "Format Duplicate Error",
"type": "n8n-nodes-base.code",
"position": [
1216,
-288
],
"parameters": {},
"typeVersion": 2
},
{
"id": "ecc9bf6f-1113-4e0e-bf15-5162a51f50b7",
"name": "Respond - Duplicate",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1392,
-288
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "6a11ab42-6042-4b55-a0b5-53e9dae00cc8",
"name": "Availability check",
"type": "n8n-nodes-base.stickyNote",
"position": [
1552,
-624
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "1fe7d609-781f-4304-a315-f7a882b8c9bc",
"name": "API - Check Availability",
"type": "n8n-nodes-base.httpRequest",
"position": [
1568,
-480
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "dc03159d-1ced-4614-9e47-a313f6df965c",
"name": "IF - Available",
"type": "n8n-nodes-base.if",
"position": [
1808,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "2baf6ee6-b1f3-4416-affb-d5219bf61372",
"name": "Format Unavailable",
"type": "n8n-nodes-base.code",
"position": [
1808,
-288
],
"parameters": {},
"typeVersion": 2
},
{
"id": "ebf72e58-bbbb-4d21-b1d3-f699ff0f319e",
"name": "Respond - Unavailable",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1984,
-288
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "eb7c304e-4f27-4920-8862-79c01ed36bc5",
"name": "Booking creation",
"type": "n8n-nodes-base.stickyNote",
"position": [
2144,
-624
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "27b7dc27-0279-4243-92ab-b47ab6b7885b",
"name": "API - Create Booking",
"type": "n8n-nodes-base.httpRequest",
"position": [
2160,
-480
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "9c17450c-c4ad-4b2c-9d46-0acc259a06c1",
"name": "Format Email",
"type": "n8n-nodes-base.code",
"position": [
2400,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "285ad0e6-b570-444b-802d-13b4dd3adbe2",
"name": "Send Confirmation Email",
"type": "n8n-nodes-base.gmail",
"position": [
2640,
-480
],
"parameters": {},
"typeVersion": 2.1
},
{
"id": "438cca51-29c4-47d7-943c-ba92f494fff1",
"name": "Prepare Calendar Event",
"type": "n8n-nodes-base.code",
"position": [
2880,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "71e87976-b71f-4d81-8e16-17bcec662466",
"name": "Create Calendar Event",
"type": "n8n-nodes-base.googleCalendar",
"position": [
3120,
-480
],
"parameters": {},
"typeVersion": 1.2
},
{
"id": "cc87c7e6-83be-43de-8a34-e261e403e300",
"name": "Slack - Notify Team",
"type": "n8n-nodes-base.slack",
"position": [
3120,
-288
],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "d8333f8a-60aa-4a03-a223-e625f5feaa27",
"name": "Audit and response",
"type": "n8n-nodes-base.stickyNote",
"position": [
3376,
-624
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "cc3f5571-d9df-434a-ac74-5eaba94d1d0e",
"name": "Prepare Audit Entry",
"type": "n8n-nodes-base.code",
"position": [
3392,
-480
],
"parameters": {},
"typeVersion": 2
},
{
"id": "8a06defc-3c3b-4ca7-9646-6820d898dce2",
"name": "API - Log Audit",
"type": "n8n-nodes-base.httpRequest",
"position": [
3632,
-480
],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "788c353c-e38c-4009-a640-3e0b68c0aaa2",
"name": "Format Success",
"type": "n8n-nodes-base.code",
"position": [
3584,
-288
],
"parameters": {},
"typeVersion": 2
},
{
"id": "fec47223-cf67-4160-92a9-ae8d43e589a7",
"name": "Respond - Success",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
3760,
-288
],
"parameters": {},
"typeVersion": 1.1
},
{
"id": "798ed1d3-080a-4158-930a-3504f932faeb",
"name": "Error handling",
"type": "n8n-nodes-base.stickyNote",
"position": [
-320,
400
],
"parameters": {
"content": ""
},
"typeVersion": 1
},
{
"id": "78c95ae5-0e56-4594-ab41-a6464004500b",
"name": "Error Trigger",
"type": "n8n-nodes-base.errorTrigger",
"position": [
-288,
512
],
"parameters": {},
"typeVersion": 1
},
{
"id": "4a27ada2-76cf-40b4-adf6-694048fdf495",
"name": "Format Error",
"type": "n8n-nodes-base.code",
"position": [
-48,
512
],
"parameters": {},
"typeVersion": 2
},
{
"id": "d17f3d39-63a4-44ba-ac35-be587d5c5877",
"name": "Slack - Error Alert",
"type": "n8n-nodes-base.slack",
"position": [
192,
512
],
"parameters": {},
"typeVersion": 2.2
}
],
"connections": {
"Format Email": {
"main": [
[
{
"node": "Send Confirmation Email",
"type": "main",
"index": 0
}
]
]
},
"Format Error": {
"main": [
[
{
"node": "Slack - Error Alert",
"type": "main",
"index": 0
}
]
]
},
"Error Trigger": {
"main": [
[
{
"node": "Format Error",
"type": "main",
"index": 0
}
]
]
},
"Format Success": {
"main": [
[
{
"node": "Respond - Success",
"type": "main",
"index": 0
}
]
]
},
"IF - Available": {
"main": [
[
{
"node": "API - Create Booking",
"type": "main",
"index": 0
}
],
[
{
"node": "Format Unavailable",
"type": "main",
"index": 0
}
]
]
},
"API - Log Audit": {
"main": [
[
{
"node": "Format Success",
"type": "main",
"index": 0
}
]
]
},
"Validate Booking": {
"main": [
[
{
"node": "IF - Valid Request",
"type": "main",
"index": 0
}
]
]
},
"Format Unavailable": {
"main": [
[
{
"node": "Respond - Unavailable",
"type": "main",
"index": 0
}
]
]
},
"IF - Not Duplicate": {
"main": [
[
{
"node": "API - Check Availability",
"type": "main",
"index": 0
}
],
[
{
"node": "Format Duplicate Error",
"type": "main",
"index": 0
}
]
]
},
"IF - Valid Request": {
"main": [
[
{
"node": "API - Check Duplicates",
"type": "main",
"index": 0
}
],
[
{
"node": "Format Validation Error",
"type": "main",
"index": 0
}
]
]
},
"Prepare Audit Entry": {
"main": [
[
{
"node": "API - Log Audit",
"type": "main",
"index": 0
}
]
]
},
"Slack - Notify Team": {
"main": [
[
{
"node": "Prepare Audit Entry",
"type": "main",
"index": 0
}
]
]
},
"API - Create Booking": {
"main": [
[
{
"node": "Format Email",
"type": "main",
"index": 0
}
]
]
},
"Create Calendar Event": {
"main": [
[
{
"node": "Prepare Audit Entry",
"type": "main",
"index": 0
}
]
]
},
"Webhook - New Booking": {
"main": [
[
{
"node": "Validate Booking",
"type": "main",
"index": 0
}
]
]
},
"API - Check Duplicates": {
"main": [
[
{
"node": "IF - Not Duplicate",
"type": "main",
"index": 0
}
]
]
},
"Format Duplicate Error": {
"main": [
[
{
"node": "Respond - Duplicate",
"type": "main",
"index": 0
}
]
]
},
"Prepare Calendar Event": {
"main": [
[
{
"node": "Create Calendar Event",
"type": "main",
"index": 0
}
]
]
},
"Format Validation Error": {
"main": [
[
{
"node": "Respond - Validation Error",
"type": "main",
"index": 0
}
]
]
},
"Send Confirmation Email": {
"main": [
[
{
"node": "Prepare Calendar Event",
"type": "main",
"index": 0
}
]
]
},
"API - Check Availability": {
"main": [
[
{
"node": "IF - Available",
"type": "main",
"index": 0
}
]
]
}
}
}
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Receive booking requests via webhook with automatic validation, duplicate detection, availability checking, confirmation emails, Google Calendar sync, and Slack notifications.
Source: https://n8n.io/workflows/13196/ — 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.
Automate short-term trading research by generating high-quality trade ideas using MCP (Market Context Protocol) signals and AI-powered analysis. 📈🤖 This workflow evaluates market context, catalysts, m
Slack, Asana, HTTP Request +4
Who’s it for
Google Calendar, Zoom, Gmail +1
Automate building visitor management with secure verification, digital entry passes, and real-time security notifications.
N8N Nodes Verifiemail, HTTP Request, N8N Nodes Htmlcsstopdf +2
This workflow is an automated invoice payment tracking and reminder system for the Polish accounting service iFirma.pl. It monitors unpaid and overdue invoices, then automatically sends escalating rem
HTTP Request, Stop And Error, Slack +1
Receive orders via webhook with automatic payment verification, stock checking, inventory reservation, shipping label generation, confirmation emails, and Slack notifications.
HTTP Request, Gmail, Slack +1