Event Ticketing Backend: Auto QR Tickets with Google Sheets & Gmail — n8n ワークフロー

高 複雑度🔗 Webhook27個のノード🏷️ Miscellaneous作成者：Khairul Muhtadin

概要

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

使用ノード

Google SheetsHTTP RequestGmailCode

ワークフロープレビュー

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

仕組み

  1. 1

    トリガー

    このワークフローは webhook トリガーで開始します。

  2. 2

    処理

    データは 27 個のノードを流れます, connecting code, filter, gmail。

  3. 3

    出力

    ワークフローは自動化を完了し、設定された宛先に結果を配信します。

ノード詳細 (27)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
GM

Gmail

gmail

#3
CO

Code

code

#4

このワークフローのインポート方法

  1. 1右側の JSONをダウンロード ボタンをクリックしてワークフローファイルを保存します。
  2. 2n8nインスタンスを開き、ワークフロー → 新規 → ファイルからインポート に進みます。
  3. 3ダウンロードした event-ticketing-backend-auto-qr-tickets-with-google-sheets-gmail ファイルを選択し、インポートをクリックします。
  4. 4各サービスノードの 認証情報（APIキー、OAuthなど）を設定します。
  5. 5ワークフローをテスト をクリックして動作確認し、有効化します。

またはn8nの JSONからインポート に直接貼り付け：

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

インテグレーション

codefiltergmailgooglesheetshttprequestifrespondtowebhookscheduletriggerwebhook

このワークフローを取得

ワンクリックでダウンロード＆インポート

JSONをダウンロードn8n.ioで見る
ノード27
複雑度high
トリガーwebhook
カテゴリMiscellaneous

作成者

Khairul Muhtadin

Khairul Muhtadin

@khmuhtadin

タグ

codefiltergmailgooglesheetshttprequestifrespondtowebhookscheduletriggerwebhook
⚡

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