Automate Invoice Data Extraction with OCR.Space, GPT & Google Sheets — n8n 工作流

中 复杂度⏰ 定时10 个节点🏷️ Invoice Processing作者：Supira Inc.

概览

Overview This template automates invoice processing for teams that currently copy data from PDFs into spreadsheets by hand. It is ideal for small businesses, back-office teams, accounting, and operations who want to reduce manual entry, avoid human error, and never miss a payment deadline. The workflow watches a structured Google Drive folder, performs OCR, converts the text into clean structured JSON with an LLM, and appends one row per invoice into Google Sheets. It preserves a link back to th

使用的节点

Google SheetsHTTP RequestGoogle DriveCodeOpenAI

工作流预览

Schedule Trigger (Recurring Execution)
Purpose
- Periodically scan the Drive folder that stores invoic
- Can also be executed manually for debugging.
Google Drive Folder Discovery
Purpose
- Get the parent folder (e.g., "支払い請求書自動計算用フォルダ" meanin
- Auto-detect the current-month subfolder (e.g., a fold
AI Structured Extraction & Google Sheets Appe
Purpose
- Convert OCR results to a strict JSON structure using
- Extract invoice_date / due_date / client_name / subto
OCR Processing (PDF → Text Cleanup)
Purpose
- Download Drive files as binary.
- Use the OCR.Space API for text extraction.
- Remove noise and normalize line breaks.
⚡
S
Schedule Trigger (Weekly…
Get Parent Folder
Get Monthly Subfolder
List Files
Download File (Binary fr…
OCR (OCR.Space Parsing)
Clean OCR Text (Noise Re…
AI Extraction (Generate …
Parse AI Output to JSON
Append to Google Sheets
10 nodes9 edges

工作原理

  1. 1

    触发器

    工作流由 定时 触发器启动，按预定计划运行。

  2. 2

    处理

    数据流经 10 个节点, connecting code, googledrive, googlesheets。

  3. 3

    输出

    工作流完成自动化并将结果发送到配置的目标。

节点详情 (10)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
GO

Google Drive

googleDrive

#3
CO

Code

code

#4
OP

OpenAI

n8n-nodes-langchain.openAi

#5

如何导入此工作流

  1. 1点击右侧 下载 JSON 按钮保存工作流文件。
  2. 2打开你的 n8n 实例，依次点击 工作流 → 新建 → 从文件导入。
  3. 3选择下载的 automate-invoice-data-extraction-with-ocrspace-gpt-google-sheets 文件并点击导入。
  4. 4为每个服务节点配置 凭证（API 密钥、OAuth 等）。
  5. 5点击 测试工作流 验证一切正常，然后激活它。

或直接在 n8n → 从 JSON 导入 中粘贴：

{ "name": "Automate Invoice Data Extraction with OCR.Space, GPT & Google Sheets", "nodes": [...], ...}

集成

codegoogledrivegooglesheetshttprequestopenaischeduletrigger

获取此工作流

一键下载并导入

下载 JSON在 n8n.io 上查看
节点10
复杂度medium
触发器scheduled
分类Invoice Processing

创建者

Supira Inc.

Supira Inc.

@supira

标签

codegoogledrivegooglesheetshttprequestopenaischeduletrigger
⚡

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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