AI-Powered Invoice Extractor via Telegram to Airtable — Workflow n8n

Moyen complexité⚡ Déclencheur11 nœuds🏷️ Invoice Processingpar BizThrive.ai

Aperçu

📄 Description

This workflow automates the extraction of structured invoice data from PDF files sent via Telegram and stores it in Airtable. It leverages GPT-4o for intelligent parsing and includes conversational memory for a seamless user experience. Designed for businesses and freelancers who receive invoices digitally and want to streamline their record-keeping.

⚙️ How It Works

Telegram Trigger – Listens for incoming messages and PDF attachments.
Switch Node – Filters messages to ensure o

Nœuds utilisés

TelegramAI AgentOpenAI Chat ModelSimple Memory

Aperçu du workflow

📋 SETUP REQUIREMENTS

🔧 Prerequisites:

• Telegram Bot Token (from @BotFather)

• OpenAI API Key (GPT-4o model access)

• Airtable Account with API access

📊 Airtable Setup:

🤖 INVOICE CATEGORISER WORKFLOW

📝 Purpose:

Automatically extracts invoice data from PDF files sent

🔄 Process Flow:

1. Telegram message received

📱 HOW TO USE

1️⃣ Start Conversation:

• Send any message to the Telegram bot

• Bot will ask for company/individual name

2️⃣ Upload Invoice:

• Send PDF invoice as file attachment

📊 AIRTABLE DATA STRUCTURE

📋 Invoices Table Fields:

• Invoice Number, Date, Supplier

• Supplier Address, Tax ID

• PO Number, Due Date

• Receiver Name, Address

🔧 TROUBLESHOOTING

❌ Common Issues:

📄 PDF Not Processing:

• Check file is actually PDF format

• Ensure file size is reasonable

• Verify PDF contains readable text

⚙️ CONFIGURATION NOTES

🎯 AI Agent Settings:

• Uses GPT-4o model for accuracy

• Structured prompts for consistency

• Memory enabled for context

• Tools connected for Airtable operations

OpenAI Chat Model

Simple Memory

Create Line Item1

Create Invoice1

Telegram3

Edit Fields1

Telegram2

Extract from File1

Switch1

⚡

Telegram Trigger1

AI Agent1

11 nodes11 edges

Comment ça fonctionne

1
Déclencheur
Le workflow démarre avec un déclencheur déclencheur.
2
Traitement
Les données transitent par 11 nœuds, connecting agent, airtabletool, extractfromfile.
3
Sortie
Le workflow termine son automatisation et livre le résultat à la destination configurée.

Détails des nœuds (11)

AI Agent

n8n-nodes-langchain.agent

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

Simple Memory

n8n-nodes-langchain.memoryBufferWindow

Comment importer ce workflow

1Cliquez sur le bouton Télécharger JSON à droite pour enregistrer le fichier du workflow.
2Ouvrez votre instance n8n. Accédez à Workflows → Nouveau → Importer depuis un fichier.
3Sélectionnez le fichier ai-powered-invoice-extractor-via-telegram-to-airtable téléchargé et cliquez sur Importer.
4Configurez les identifiants pour chaque nœud de service (clés API, OAuth, etc.).
5Cliquez sur Tester le workflow pour vérifier que tout fonctionne, puis activez-le.

Ou collez directement dans n8n → Importer depuis JSON :

{ "name": "AI-Powered Invoice Extractor via Telegram to Airtable", "nodes": [...], ...}

Intégrations

agentairtabletoolextractfromfilelmchatopenaimemorybufferwindowsetswitchtelegramtelegramtrigger

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSON Voir sur n8n.io

Nœuds11

Complexitémedium

Déclencheurtrigger

CatégorieInvoice Processing

Créé par

BizThrive.ai

@davids

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🔗 Webhook·12 nodes