Automated Invoice Processing System with OCR & AI - AP Automation with Airtable — Workflow n8n

Élevé complexité Déclencheur18 nœuds🏷️ Invoice Processing👁 1,326 vuespar Milan Vasarhelyi - SmoothWork

Aperçu

Video Introduction

Invoice Processing Automation

This template is the automation behind a simple incoming invoice automation tool (AP automation) tool built in Airtable.

Link to the Airtable base, and all other tools used, is in notes on the left of the automation.

How it works See how it works on video: Full Video Walkthrough

  1. We get an email with an invoice attachment:

  2. Processes and adds the data to an Airtable interface:

  3. Once we approved it and Due date approaches, it shows a

Nœuds utilisés

AirtableHTTP RequestGmailBasic LLM ChainOpenAI Chat ModelOpenAI ModelStructured Output ParserOpenAIInformation Extractor

Aperçu du workflow

Invoice Processing Automation
This template is the automation behind a simple incomin
Follow the instructions below to get
Gets all messages that:
1) Have an attachment
2) Do not have the label invoice_checked
3) Text matches invoice
*1. Set up Airtable*
1 - Register an Airtable account here
2 - Duplicate [this base](https://airtable.com/appFMuGz
2. Set Up ConvertAPI
1 - Register a ConvertAPI account here
2 - Get an API key, and save it somewhere safe
3 - Create a Header Auth credential in Cred
TODO: Change the Base to the duplicated base,
TODO: Change the Base to the duplicated base,
3. Set up Gmail
1 - Create the "invoice_checked" label
2 - [Follow the instructions](https://docs.n8n.io/integ
4. Set up OpenAI
Follow the n8n instructions to connect your OpenAI plat
TODO: Add the ConvertAPI Header Auth
Made by:
Milan @ SmoothWork - Book a Free Consulting Call
![Milan](https://gravatar.com/avatar/95700d17ba300a9f14
Video Introduction
![image.png](https://www
modelmodelparser
OpenAI Model
Structured Output Parser
M
Map Output
Apply Data Extraction Ru…
Gmail1
G
Get all img_url
Analyze image
G
Get image data
PDF -> JPG - ConvertAPI
Get list of vendors
M
Merge
E
Edit Fields
Information Extractor
OpenAI Chat Model
M
Merge1
Airtable
G
Gmail Trigger
Gmail
18 nodes19 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 18 nœuds, connecting airtable, chainllm, gmail.

  3. 3

    Sortie

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

Détails des nœuds (18)

AI

Airtable

airtable

#1
HT

HTTP Request

httpRequest

#2
GM

Gmail

gmail

#3
BA

Basic LLM Chain

n8n-nodes-langchain.chainLlm

#4
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#5
OP

OpenAI Model

n8n-nodes-langchain.lmOpenAi

#6
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#7
OP

OpenAI

n8n-nodes-langchain.openAi

#8
IN

Information Extractor

n8n-nodes-langchain.informationExtractor

#9

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 automated-invoice-processing-system-with-ocr-ai-ap-automation-with-airtable 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": "Automated Invoice Processing System with OCR & AI - AP Automation with Airtable", "nodes": [...], ...}

Intégrations

airtablechainllmgmailgmailtriggerhttprequestinformationextractorlmchatopenailmopenaimergeopenaioutputparserstructuredsetsplitout

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds18
Complexitéhigh
Déclencheurtrigger
Vues1,326

Créé par

Milan Vasarhelyi - SmoothWork

Milan Vasarhelyi - SmoothWork

@vasarmilan

Tags

airtablechainllmgmailgmailtriggerhttprequestinformationextractorlmchatopenailmopenaimergeopenai

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🔗 Webhook·12 nodes