Dutch Tender Scraper: Automate TenderNed Data with n8n — n8n Workflow

Medium complexity Trigger14 nodes⚒️ Engineering👁 1 viewsby Wessel Bulte

Overview

Stop manual monitoring of Dutch government contracts and gain a competitive edge with this enterprise-grade TenderNed automation. This workflow transforms the complex TenderNed API into a streamlined business intelligence feed, ensuring you never miss a high-value public procurement opportunity in the Netherlands. The automation begins by polling the official TenderNed repository for new publications via a scheduled trigger. It then performs a deep-dive extraction, fetching raw XML and JSON data for every matching tender. Using advanced parsing logic, it deconstructs intricate procurement details—including contracting authority, project scope, and deadlines—into structured, actionable data. By implementing custom filtering nodes, the flow eliminates noise, focusing only on the sectors relevant to your business. Finally, it aggregates the cleaned data for seamless database storage or CRM integration. This is an essential tool for sales teams and bid managers looking to automate market research and accelerate their response time to government RFPs without the overhead of manual data entry.

💡

Common Use Cases

  • Competitive Intelligence: Track bidding patterns and contract awards from specific Dutch government agencies.
  • Automated Lead Generation: Instantly alert sales teams when new tenders matching specific NACE or CPV codes are published.
  • Market Research & Archiving: Build a historical database of public spending and project descriptions for trend analysis.

Nodes used

HTTP RequestCode

Workflow Preview

TenderNed Tender Scraper Workflow
What this workflow does:
- Automatically fetches new tenders from TenderNed API
- Extracts both XML and JSON data for each tender
- Filters based on your crit
Schedule Trigger
Purpose: Runs this workflow automatically
Schedule: Daily at 9:00 AM
Note: You can also trigger manually for testing using t
Manual Testin
Fetch Tender Publications
API Endpoint: TenderNed Publicaties API
What it does:
- Fetches latest tender publications
- Returns array of tenders with basic info
- Each tender has a publica
Process API Response
What it does:
- Extracts the nested 'publicaties' array from API resp
- Prepares data structure for further processing
Note: The API returns results wrapped in an
Split Into Individual Tenders
What it does:
- Takes the array of tenders
- Creates one item per tender
- Enables processing each tender individually
Why? We need to fetch detailed data fo
Loop Over Items (Rate Limiting)
What it does:
- Processes tenders one at a time
- Prevents API rate limiting
- Ensures reliable data fetching
How it works:
Fetch JSON Details
API: `/publicaties/{id}`
Returns:
- `kenmerk`: Reference number
- `pbNummerTed`: TED publication number
- `trefwoorden`: Keywords array
Fetch XML Details
API: `/publicaties/{id}/public-xml`
Returns:
- Full tender XML document
- Legal requirements
- Detailed specifications
Parse XML to JSON
What it does:
- Converts XML string to JSON object
- Makes data accessible for filtering
- Trims whitespace for cleaner data
Why? JSON is easier to work with in n8n than
Merge All Data
Combines three data sources:
1. JSON metadata (Input 1)
2. Parsed XML details (Input 2)
3. Original tender info (Input 3)
Result: Complete tender record with all available
Aggregate Loop Results
What it does:
- Collects all processed tenders from the loop
- Combines them into a single array
- Stores in 'allData' field
Why? Prepares all tenders for batch pro
Split for Filtering
What it does:
- Unpacks the aggregated array
- Creates individual items again
- Prepares for filtering
Note: We aggregate first to exit the loop, then split a
Filter Tenders
⚠️ CONFIGURE THIS NODE
Purpose: Filter tenders based on your criteria
Examples:
- CPV-code
- Keywords in description
Save to Data Table
What it does:
- Inserts filtered tenders into database
- Each tender becomes a new row
⚠️ Setup Required:
1. Run workflow first for available kolomn
Haal XML Details
W
When clicking ‘Execute w…
S
Split Out
L
Loop Over Items
X
XML
M
Merge
Haal JSON Details
A
Aggregate
Splits Alle Velden
Verwerk Response
F
Filter op ...
I
Insert row
Tenderned Publicaties
S
Schedule Trigger
14 nodes16 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 14 nodes, connecting aggregate, code, datatable.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (14)

HT

HTTP Request

httpRequest

#1
CO

Code

code

#2

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded automate-dutch-public-procurement-data-collection-with-tenderned file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Dutch Tender Scraper: Automate TenderNed Data with n8n", "nodes": [...], ...}

Integrations

aggregatecodedatatablefilterhttprequestmanualtriggermergescheduletriggersplitinbatchessplitoutxml

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes14
Complexitymedium
Triggertrigger
Views1
CategoryEngineering

Created by

Wessel Bulte

Wessel Bulte

@uuessel

Tags

aggregatecodedatatablefilterhttprequestmanualtriggermergescheduletriggersplitinbatchessplitout

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