Download KSeF (Poland’s e-invoicing system) invoices to an Excel spreadsheet — Workflow n8n

Moyen complexité Déclencheur14 nœuds🏷️ Invoice Processing👁 1 vuespar Greg Brzezinka

Aperçu

TL;DR;

Download invoices from Poland's KSeF (Krajowy System e-Faktur) and export them as an XLSX spreadsheet. Handles the full v2 authentication flow automatically.

Download KSeF invoices through n8n

What it does

This workflow connects to Poland's KSeF (Krajowy System e-Faktur) API v2, downloads invoice metadata for a configurable date range, and exports everything as a clean Excel spreadsheet (.xlsx).

The spreadsheet includes: KSeF number, invoice number, issue date, seller/buyer NIP and n

Nœuds utilisés

HTTP RequestCode

Aperçu du workflow

🇵🇱 KSeF — Download Invoices to Spreadsheet
Downloads invoice metadata from Poland's KSeF (Krajowy
Quick Start
1. Open the ⚙️
🔧 Configuration
Edit the JSON below to set your:
- nip — your 10-digit NIP number
- authToken — KSeF authorization token
- startDate / endDate — ISO 8601 format
- subjectType —
🔐 Authentication Flow (v2 API)
KSeF uses a multi-step auth:
1. Get Public Key — fetch RSA certificate
2. Get Challenge — get a challenge + timestamp
3. Encrypt Token — RSA-OAEP encrypt
📊 Output
Invoice metadata is flattened into columns:
KSeF Number, Invoice Number, Issue Date, Seller/Buyer N
The XLSX file is available as binary o
W
When clicking 'Test work…
⚙️ Config
Get Public Key
Get Challenge
Encrypt Token
Init Auth
Wait 2s
Check Auth Status
Redeem Token
Query Invoices
Extract Invoices
Format for Spreadsheet
W
Write XLSX
Close Session
14 nodes13 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 14 nœuds, connecting code, httprequest, manualtrigger.

  3. 3

    Sortie

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

Détails des nœuds (14)

HT

HTTP Request

httpRequest

#1
CO

Code

code

#2

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 download-ksef-polands-e-invoicing-system-invoices-to-an-excel-spreadsheet 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": "Download KSeF (Poland’s e-invoicing system) invoices to an Excel spreadsheet", "nodes": [...], ...}

Intégrations

codehttprequestmanualtriggersetspreadsheetfile

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds14
Complexitémedium
Déclencheurtrigger
Vues1

Créé par

Greg Brzezinka

Greg Brzezinka

@ai-greg

Tags

codehttprequestmanualtriggersetspreadsheetfile

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🔗 Webhook·12 nodes