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

Media complejidad Disparador14 nodos🏷️ Invoice Processing👁 1 vistaspor Greg Brzezinka

Descripción general

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

Nodos utilizados

HTTP RequestCode

Vista previa del flujo de trabajo

🇵🇱 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

Cómo funciona

  1. 1

    Disparador

    El flujo de trabajo comienza con un disparador disparador.

  2. 2

    Procesamiento

    Los datos fluyen a través de 14 nodos, connecting code, httprequest, manualtrigger.

  3. 3

    Salida

    El flujo de trabajo completa su automatización y entrega el resultado al destino configurado.

Detalles de nodos (14)

HT

HTTP Request

httpRequest

#1
CO

Code

code

#2

Cómo importar este flujo de trabajo

  1. 1Haz clic en el botón Descargar JSON a la derecha para guardar el archivo del flujo de trabajo.
  2. 2Abre tu instancia de n8n. Ve a Flujos de trabajo → Nuevo → Importar desde archivo.
  3. 3Selecciona el archivo download-ksef-polands-e-invoicing-system-invoices-to-an-excel-spreadsheet descargado y haz clic en Importar.
  4. 4Configura las credenciales para cada nodo de servicio (claves API, OAuth, etc.).
  5. 5Haz clic en Probar flujo de trabajo para verificar que todo funcione, luego actívalo.

O pega directamente en n8n → Importar desde JSON:

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

Integraciones

codehttprequestmanualtriggersetspreadsheetfile

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Descarga e importa con un solo clic

Descargar JSONVer en n8n.io
Nodos14
Complejidadmedium
Disparadortrigger
Vistas1

Creado por

Greg Brzezinka

Greg Brzezinka

@ai-greg

Etiquetas

codehttprequestmanualtriggersetspreadsheetfile

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🔗 Webhook·12 nodes