Detect duplicate invoice PDFs from Gmail with easybits and Google Sheets — n8n ワークフロー

中複雑度⚡ トリガー9個のノード🏷️ Invoice Processing作成者：Felix

概要

How It Works This workflow automatically detects duplicate invoices from Gmail. Incoming PDF attachments are scanned by the easybits AI Extractor, then checked against the Master Finance File in Google Sheets. Duplicates trigger a Slack alert – new invoices get added to the sheet.

Flow overview: Gmail picks up new emails labeled as invoices (polls every minute) The PDF attachment is extracted and converted to base64 easybits Extractor reads the document and returns structured data The invoice n

使用ノード

Google SheetsHTTP RequestSlackCode

ワークフロープレビュー

📧 Email Intake

Polls Gmail every minute for emails with the invoice la

Downloads attachments automatically.

📄 Invoice Extraction with easybits

Extracts the PDF attachment, converts it to base64, and

🔍 Duplicate Check

Reads all rows from the Master Finance File in Google S

🚨 Duplicate Found

If the invoice already exists in the sheet, a Slack DM

✅ New Invoice

If the invoice is not a duplicate, it gets appended to

🔍 Invoice Duplicate Checker

How It Works

This workflow automatically detects duplicate invoices

Check Google Sheets

Already Exists?

Add to Master List

⚡

Gmail Trigger

Extract from File

Edit Fields

HTTP Request

Code in JavaScript

Slack: Alert Finance

9 nodes8 edges

仕組み

1
トリガー
このワークフローはトリガートリガーで開始します。
2
処理
データは 9 個のノードを流れます, connecting code, extractfromfile, gmailtrigger。
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 (9)

Google Sheets

googleSheets

HTTP Request

httpRequest

Slack

slack

Code

code

このワークフローのインポート方法

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。
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ダウンロードした detect-duplicate-invoice-pdfs-from-gmail-with-easybits-and-google-sheets ファイルを選択し、インポートをクリックします。
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": "Detect duplicate invoice PDFs from Gmail with easybits and Google Sheets", "nodes": [...], ...}

インテグレーション

codeextractfromfilegmailtriggergooglesheetshttprequestifsetslack

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9

複雑度medium

トリガーtrigger

カテゴリInvoice Processing

作成者

Felix

@easybits

n8n初めてですか？

n8nは無料のオープンソースワークフロー自動化ツールです。セルフホストまたはクラウド版をご利用いただけます。

n8nを無料で始める →

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