Invoice Management System with Gmail Reminders, Google Sheets, and Slack Escalations — Workflow n8n

Élevé complexité🔗 Webhook22 nœuds🏷️ Invoice Processingpar 飯盛 正幹

Aperçu

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

Nœuds utilisés

Google SheetsSlackGmailCode

Aperçu du workflow

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

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur webhook.

  2. 2

    Traitement

    Les données transitent par 22 nœuds, connecting aggregate, code, gmail.

  3. 3

    Sortie

    Le workflow termine son automatisation et livre le résultat à la destination configurée.

Détails des nœuds (22)

GO

Google Sheets

googleSheets

#1
SL

Slack

slack

#2
GM

Gmail

gmail

#3
CO

Code

code

#4

Comment importer ce workflow

  1. 1Cliquez sur le bouton Télécharger JSON à droite pour enregistrer le fichier du workflow.
  2. 2Ouvrez votre instance n8n. Accédez à Workflows → Nouveau → Importer depuis un fichier.
  3. 3Sélectionnez le fichier invoice-management-system-with-gmail-reminders-google-sheets-and-slack-escalations téléchargé et cliquez sur Importer.
  4. 4Configurez les identifiants pour chaque nœud de service (clés API, OAuth, etc.).
  5. 5Cliquez sur Tester le workflow pour vérifier que tout fonctionne, puis activez-le.

Ou collez directement dans n8n → Importer depuis JSON :

{ "name": "Invoice Management System with Gmail Reminders, Google Sheets, and Slack Escalations", "nodes": [...], ...}

Intégrations

aggregatecodegmailgooglesheetsmergerespondtowebhookscheduletriggersetslacksplitinbatchessplitoutswitchwebhook

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds22
Complexitéhigh
Déclencheurwebhook

Créé par

飯盛 正幹

飯盛 正幹

@isakai

Tags

aggregatecodegmailgooglesheetsmergerespondtowebhookscheduletriggersetslacksplitinbatches

Nouveau sur n8n ?

n8n est un outil d'automatisation de workflows gratuit et open-source. Hébergez-le vous-même ou utilisez la version cloud.

Obtenir n8n gratuitement →

Related Invoice Processing Workflows

COCOEMEX+5
medium

Automate Custom QuickBooks Invoice PDFs & Email with n8n

Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

🔗 Webhook·12 nodes