Event Ticketing Backend: Auto QR Tickets with Google Sheets & Gmail — n8n Workflow

Hoog complexiteit🔗 Webhook27 knooppunten🏷️ Miscellaneousdoor Khairul Muhtadin

Overzicht

Ticketing Backend automates registration, QR-ticket generation, email delivery, and check-in validation using Google Sheets, Gmail, and a webhook scanner — reducing manual ticket prep from ~3 hours to under 5 minutes for 200 attendees.

Why Use This Workflow?

Time Savings:** Automates ticket generation & delivery. reduces manual processing for 200 attendees from ~3 hours to <5 minutes. Cost Reduction:** Removes dependency on paid ticketing platforms for basic events — save up to $150–$300/mo

Gebruikte knooppunten

Google SheetsHTTP RequestGmailCode

Workflow-voorvertoning

Ticket Generator & Sender
Event Ticketing System - Complete Flow
This workflow manages the full lifecycle of event ticke
1. Registration - Accepts participant registration via
2. Ticket Generation - Aut
Setup Required
You need these credentials configured:
1. Google Sheets OAuth2
- Used for reading/writing registration & ticket dat
- Connect your Google account in n8n credentials
2.
How Ticket Scanner Works
Endpoint: POST `/v1/scanner`
Flow:
1. Receives scanned QR data
2. Parses ticket_id from barcode JSON
3. Looks up ticket in Google Sheets
Registration Endpoint
Endpoint: POST `/v1/register`
Expected Input:
```json
{
"nama": "string",
Automatic Ticket Generation
Trigger: Runs every 1 minute
What it does:
1. Finds paid registrations where Email Sent = NO
2. Generates unique ticket IDs for each ticket
3. Creates QR codes
Get Tickets
Parse Barcode
T
Ticket Available?
Parse Output
⚡
A
Already Checked IN
⚡
C
Checked IN
Update Ticket Status
⚡
S
SCAN TICKET
E
Email exist?
Get Participant
Validate Input
⚡
V
Validation Error
V
Valid Input?
⚡
A
Already Registered
⚡
T
Tiket Booked
Store Data
⚡
R
REGISTER
Get Rows
F
Filter Paid Not Sent
Generate Ticket Data
Generate QR Code
Build HTML Email
Send Email (Gmail)
Update Sheet (Register)
Update Sheet (Tickets)
⚡
S
START
Parse Data
27 nodes24 edges

Hoe het werkt

  1. 1

    Trigger

    De workflow start met een webhook-trigger.

  2. 2

    Verwerking

    Gegevens stromen door 27 knooppunten, connecting code, filter, gmail.

  3. 3

    Uitvoer

    De workflow voltooit zijn automatisering en levert het resultaat aan de geconfigureerde bestemming.

Knooppuntdetails (27)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
GM

Gmail

gmail

#3
CO

Code

code

#4

Hoe deze workflow te importeren

  1. 1Klik op de knop JSON downloaden rechts om het workflowbestand op te slaan.
  2. 2Open uw n8n-instantie. Ga naar Workflows → Nieuw → Importeren uit bestand.
  3. 3Selecteer het gedownloade bestand event-ticketing-backend-auto-qr-tickets-with-google-sheets-gmail en klik op Importeren.
  4. 4Stel inloggegevens in voor elk serviceknooppunt (API-sleutels, OAuth, enz.).
  5. 5Klik op Workflow testen om te controleren of alles werkt, activeer het vervolgens.

Of plak rechtstreeks in n8n → Importeren uit JSON:

{ "name": "Event Ticketing Backend: Auto QR Tickets with Google Sheets & Gmail", "nodes": [...], ...}

Integraties

codefiltergmailgooglesheetshttprequestifrespondtowebhookscheduletriggerwebhook

Haal deze workflow op

Download en importeer met één klik

JSON downloadenBekijken op n8n.io
Knooppunten27
Complexiteithigh
Triggerwebhook
CategorieMiscellaneous

Gemaakt door

Khairul Muhtadin

Khairul Muhtadin

@khmuhtadin

Tags

codefiltergmailgooglesheetshttprequestifrespondtowebhookscheduletriggerwebhook
⚡

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