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

Gemiddeld complexiteit⚡ Trigger14 knooppunten🏷️ Invoice Processing👁 1 weergavendoor Greg Brzezinka

Overzicht

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

Gebruikte knooppunten

HTTP RequestCode

Workflow-voorvertoning

🇵🇱 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

⚡

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

Write XLSX

Close Session

14 nodes13 edges

Hoe het werkt

1
Trigger
De workflow start met een trigger-trigger.
2
Verwerking
Gegevens stromen door 14 knooppunten, connecting code, httprequest, manualtrigger.
3
Uitvoer
De workflow voltooit zijn automatisering en levert het resultaat aan de geconfigureerde bestemming.

Knooppuntdetails (14)

HTTP Request

httpRequest

Code

code

Hoe deze workflow te importeren

1Klik op de knop JSON downloaden rechts om het workflowbestand op te slaan.
2Open uw n8n-instantie. Ga naar Workflows → Nieuw → Importeren uit bestand.
3Selecteer het gedownloade bestand download-ksef-polands-e-invoicing-system-invoices-to-an-excel-spreadsheet en klik op Importeren.
4Stel inloggegevens in voor elk serviceknooppunt (API-sleutels, OAuth, enz.).
5Klik op Workflow testen om te controleren of alles werkt, activeer het vervolgens.

Of plak rechtstreeks in n8n → Importeren uit JSON:

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

Integraties

codehttprequestmanualtriggersetspreadsheetfile

Haal deze workflow op

Download en importeer met één klik

JSON downloaden Bekijken op n8n.io

Knooppunten14

Complexiteitmedium

Triggertrigger

CategorieInvoice Processing

Gemaakt door

Greg Brzezinka

@ai-greg

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