Convert emailed timesheets into QuickBooks invoices with OCR, AI, Gmail and Sheets — Workflow n8n

Élevé complexité⚡ Déclencheur45 nœuds🏷️ Invoice Processing👁 3 vuespar DIGITAL BIZ TECH

Aperçu

AI-Powered Timesheet → Invoice Automation (Gmail + OCR + AI + Google Sheets + QuickBooks)

> Note: This workflow uses sticky notes extensively to document each logical section of the automation. Sticky notes are mandatory and already included to explain OCR, AI parsing, folder logic, duplicate handling, and QuickBooks steps.

This workflow automates the full lifecycle of timesheet-based invoicing — from emailed timesheets to structured Google Sheets records and finalized invoices in QuickBoo

Nœuds utilisés

Google SheetsHTTP RequestGoogle DriveQuickBooks OnlineCodeAI AgentOpenAI Chat ModelGoogle Gemini Chat Model

Aperçu du workflow

OCR extraction
Sends each attachment to the OCR API and returns plain
Build invoice dates
Calculates the invoice date and due date using the time
create new year folder
normalize and extract timesheet month
Prepare Month array and extract month number and split
Email intake and loop
Listens to Gmail for unread timesheet emails, splits al
How it works
The workflow automates extracting timesheet data, organ
1. Text extraction
Splits attachments and sends them to an OCR API to conv
Customer and PO lookup
Looks up the sender in the Customer POs sheet and pulls
AI timesheet parsing
OpenAI reads the timesheet text and extracts employee n
Client folder discovery
Search Client Invoices folder, finds or creates the cli
## File naming and search
searches Drive for existing sheets with the employee a
Create new
create new client name, employee and year named folder
check for duplicate and Skip January First T
skip if duplicate is found
add extracted data to sheets
add extracted data to sheets
get data from sheets
extracted data from sheets
quickbooks customer info
from quickbooks find customer info that match customer
check if customer exists
if exists continue else add new customer info
add data into Quickbooks
add data from sheets into Quickbooks invoice
check occurrence than map the data
check If: First Time This Month? and than map the extr
model
QuickBooks Find Customer
I
If Customer Exists?
QuickBooks Create Customer
QuickBooks Create Invoice
⚡
W
When clicking ‘Execute w…
Get row(s) in sheet
Google Sheets2
S
Set: Spreadsheet (ID & …
Split Binary Attachments
L
Loop: Process Each Attac…
W
Wait1
S
Split Each Month
M
Map Timesheet Fields
Check for Duplicate Entry
S
Skip If Duplicate Found
C
Create Sheet Name + Invo…
Google Sheets: Create Sh…
Move Sheet to Invoice Fo…
P
Prepare Default Invoice …
I
If- File is Exist
I
If1
Search: Client Invoices …
Search: Employee Name Fo…
C
Check Employee Name Folder
Search: Inside folders i…
Search: Year Folder
Search: folder name
C
Check if Year Folder Exi…
Create Current Year Folder
Create Employee Name Fol…
Google Drive
Get Customer Info From P…
Create Folder Name
Create: Year Folder
P
Prepare Month array
⚡
G
Gmail Trigger
W
Wait
Extract Text
S
Skip January First Time
Delete Exiting Row
OpenAI Chat Model1
AI Agent
Google Gemini Chat Model
Sheets: Append Row1
I
If: First Time This Month?
45 nodes50 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 45 nœuds, connecting agent, code, gmailtrigger.

  3. 3

    Sortie

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

Détails des nœuds (45)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
GO

Google Drive

googleDrive

#3
QU

QuickBooks Online

quickbooks

#4
CO

Code

code

#5
AI

AI Agent

n8n-nodes-langchain.agent

#6
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#7
GO

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

#8

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 convert-emailed-timesheets-into-quickbooks-invoices-with-ocr-ai-gmail-and-sheets 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": "Convert emailed timesheets into QuickBooks invoices with OCR, AI, Gmail and Sheets", "nodes": [...], ...}

Intégrations

agentcodegmailtriggergoogledrivegooglesheetshttprequestiflmchatgooglegeminilmchatopenaimanualtriggerquickbookssetsplitinbatchessplitoutwait

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds45
Complexitéhigh
Déclencheurtrigger
Vues3
CatégorieInvoice Processing

Créé par

DIGITAL BIZ TECH

DIGITAL BIZ TECH

@dbt

Tags

agentcodegmailtriggergoogledrivegooglesheetshttprequestiflmchatgooglegeminilmchatopenaimanualtrigger
⚡

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