Invoice Management System with Gmail Reminders, Google Sheets, and Slack Escalations — n8n ワークフロー

複雑度🔗 Webhook22個のノード🏷️ Invoice Processing作成者:飯盛 正幹

概要

Who is this for?

This template is designed for freelancers, small businesses, and finance teams who need automated invoice management with intelligent payment follow-ups. Perfect for service providers, agencies, or any business that needs to track receivables and reduce late payments.

What this workflow does

This workflow provides complete invoice lifecycle management with two main flows:

Invoice Generation Flow: Receives order data via webhook with line items Splits line items using Split O

使用ノード

Google SheetsSlackGmailCode

ワークフロープレビュー

Generate invoices and send payment reminders
Who is this for?
Freelancers, small businesses, and finance teams who ne
Step 1: Invoice Creation
Receive order data, generate invoice ID, and initialize
Step 2: Line Item Processing
Split Out each line item, calculate totals, and Aggrega
Step 3: Daily Overdue Check
Schedule Trigger runs daily. Loop Over batches each inv
Step 4: Reminder Escalation
Switch routes to 5 reminder levels based on days overdu
N
New Invoice Request
I
Initialize Invoice
S
Split Line Items
Calculate Line Total
A
Aggregate Line Items
Build Invoice Object
Save Invoice to Sheet
Send Invoice Email
I
Invoice Created Response
D
Daily Overdue Check
Get Unpaid Invoices
Calculate Overdue Days
L
Loop Over Invoices
R
Route by Reminder Level
First Reminder Email
Second Reminder Email
Urgent Reminder Email
Final Notice Email
Escalate to Collections
M
Merge Reminder Paths
Update Reminder Date
Continue Loop
22 nodes25 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 22 個のノードを流れます, connecting aggregate, code, 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 (22)

GO

Google Sheets

googleSheets

#1
SL

Slack

slack

#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 invoice-management-system-with-gmail-reminders-google-sheets-and-slack-escalations 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": "Invoice Management System with Gmail Reminders, Google Sheets, and Slack Escalations", "nodes": [...], ...}

インテグレーション

aggregatecodegmailgooglesheetsmergerespondtowebhookscheduletriggersetslacksplitinbatchessplitoutswitchwebhook

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22
複雑度high
トリガーwebhook
カテゴリInvoice Processing

作成者

飯盛 正幹

飯盛 正幹

@isakai

タグ

aggregatecodegmailgooglesheetsmergerespondtowebhookscheduletriggersetslacksplitinbatches

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🔗 Webhook·12 nodes