Automate Invoice Processing with OCR, GPT-4 & Salesforce Opportunity Creation — n8n 워크플로

보통 복잡도⚡ 트리거11개의 노드🏷️ Invoice Processing👁 4회 조회작성자: Le Nguyen

개요

PDF Invoice Extractor (AI)

End-to-end pipeline: Watch Drive ➜ Download PDF ➜ OCR text ➜ AI normalize to JSON ➜ Upsert Buyer (Account) ➜ Create Opportunity ➜ Map Products ➜ Create OLI via Composite API ➜ Archive to OneDrive.

Node by node (what it does & key setup)

  1. Google Drive Trigger Purpose**: Fire when a new file appears in a specific Google Drive folder. Key settings**: Event: fileCreated Folder ID: google drive folder id Polling: everyMinute Creds: googleDriveOAuth2Api Output**

사용된 노드

HTTP RequestGoogle DriveMicrosoft OneDriveSalesforceCodeOpenAI

워크플로 미리보기

PDF Invoice Extractor (AI) to Salesforce Oppo
What it does:
Watch a Drive folder → OCR PDF → extract invoices (JSON
1) Google Drive Trigger
- Op: fileCreated in folder (ID)
- Poll: every minute
- Creds: Google Drive OAuth2
- Note: Ensure access/Shared Drive rights
2) Download from Drive
- Op: download by {{$json.id}}
- Binary key: data (default)
- Creds: Google Drive OAuth2
3) Extract from File
- Op: pdf (enable OCR for scans)
- Output: {{$json.text}}
4) Message a Model (JSON)
- Node: @n8n/n8n-nodes-langchain.openAi
- Model: gpt-4.1 (or gpt-4.1-mini)
- Prompt: strict schema; return only JSON array
- jsonOutput: true
- Output path (first item
5) Salesforce: Upsert Account (Buyer)
- Node: salesforce (account upsert)
- External Id: tax_id__c
- externalIdValue: ={{ $json.message.content.buyer.tax_
- name: ={{ $json.message.content.buy
6) Salesforce: Create Opportunity
- Node: salesforce (resource: opportunity)
- name: ={{ $('Message a model').item.json.message.cont
- closeDate: ={{ $('Message a model').item.js
7) Code: Build SOQL (PricebookEntry)
- Node: Code (JS)
- Purpose: collect ProductCodes from LLM products → bui
- Output: { soql, codes }
8) Salesforce: Query PricebookEntries
- Node: salesforce (search)
- query: ={{ $json.soql }}
9) Code: Build OLI Payloads
- Node: Code (JS)
- Inputs:
- OpportunityId: ={{ $('Create an opportunity').first
- Lines: ={{ $('Message a model').first().json.messag
10) HTTP Request: Create Opportunity Line Ite
- Method: POST
- URL: https://<your-instance>.my.salesforce.com/servic
- Auth: salesforceOAuth2Api
- Body (JSON): ={{
11) Upload to OneDrive
- Op: upload
- Name: ={{ $json.name }}
- Parent Folder ID: (set)
- Binary: from step 2
- Creds: OneDrive OAuth2
E
Extract from File
⚡
G
Google Drive Trigger
Message a model
Download File From Google
Update File to One Drive
Create an opportunity
Create or update an acco…
Build SOQL
Query PricebookEntries
Code in JavaScript
Create Opportunity Line …
11 nodes10 edges

작동 원리

  1. 1

    트리거

    워크플로는 트리거 트리거로 시작합니다.

  2. 2

    처리

    데이터가 11개의 노드를 통해 흐릅니다, connecting code, extractfromfile, googledrive.

  3. 3

    출력

    워크플로가 자동화를 완료하고 구성된 대상에 결과를 전달합니다.

노드 세부 정보 (11)

HT

HTTP Request

httpRequest

#1
GO

Google Drive

googleDrive

#2
MI

Microsoft OneDrive

microsoftOneDrive

#3
SA

Salesforce

salesforce

#4
CO

Code

code

#5
OP

OpenAI

n8n-nodes-langchain.openAi

#6

이 워크플로 가져오는 방법

  1. 1오른쪽의 JSON 다운로드 버튼을 클릭하여 워크플로 파일을 저장합니다.
  2. 2n8n 인스턴스를 열고 워크플로 → 새로 만들기 → 파일에서 가져오기로 이동합니다.
  3. 3다운로드된 automate-invoice-processing-with-ocr-gpt-4-salesforce-opportunity-creation 파일을 선택하고 가져오기를 클릭합니다.
  4. 4각 서비스 노드에 대한 자격 증명（API 키, OAuth 등）을 설정합니다.
  5. 5워크플로 테스트를 클릭하여 모든 것이 작동하는지 확인한 후 활성화합니다.

또는 n8n → JSON에서 가져오기에 직접 붙여넣기:

{ "name": "Automate Invoice Processing with OCR, GPT-4 & Salesforce Opportunity Creation", "nodes": [...], ...}

통합

codeextractfromfilegoogledrivegoogledrivetriggerhttprequestmicrosoftonedriveopenaisalesforce

이 워크플로 가져오기

한 번의 클릭으로 다운로드 및 가져오기

JSON 다운로드n8n.io에서 보기
노드11
복잡도medium
트리거trigger
조회수4
카테고리Invoice Processing

제작자

Le Nguyen

Le Nguyen

@leeseifer

태그

codeextractfromfilegoogledrivegoogledrivetriggerhttprequestmicrosoftonedriveopenaisalesforce
⚡

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Related Invoice Processing Workflows

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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