Postcode API

Dutch postcode and house number lookup API

Quick Overview

Company Postcode API B.V. (KvK 68503326)
Category Address Validation APIs
Headquarters Nijmegen, Netherlands, Netherlands
Founded 2017
EU Presence Yes - Netherlands (EU)
Data Location Serverless on AWS (region not stated)
Open Source No
GDPR Compliant Yes
Self-Hosting No
Main Features Postcode and house number lookup, form fill in the browser test, serverless AWS infrastructure
Pricing €68.40 per year (€5.70 per month) for 1,000 calls per month; €182.40 per year for 5,000 calls per month
Best For Dutch webshops and forms that need street and city from postcode and house number
Replaces Postcode.nl (NL addresses), Ideal Postcodes (NL use)

Detailed Review

Pros and Cons

Pros

  • Dutch B.V. with KvK and VAT numbers in the terms
  • Published prices from €5.70 per month
  • 5 calls per second on plans
  • Free API key on request
  • Dutch law and terms

Cons

  • Netherlands-focused, other countries unverified
  • Dutch-language site and terms
  • No stated certifications
  • AWS region not stated

Alternatives to Postcode API

Other European address validation apis worth comparing before you decide:

Data8

United Kingdom

Postcoder

United Kingdom

OpenCage

Germany

See all European address validation apis or compare them directly against Postcode.nl (NL addresses) on our alternatives page.

Frequently Asked Questions

€68.40 per year (€5.70 per month) for 1,000 calls per month, or €182.40 per year for 5,000 calls per month.

We could not verify coverage beyond the Netherlands on the pages we opened.

A free API key is available on request.

About the author

Every tool page on European Purpose is researched and drafted with AI assistance, with the compliance and pricing claims checked against the vendor's own documentation, and is published under the editorial responsibility of its founder.

Sebastiaan Smits

Sebastiaan Smits

Founder · Amsterdam, Netherlands

Founder of European Purpose. Researches and writes the reviews and checks where each company is actually established.

Read our editorial process for how we source, verify and update these pages, and how paid visibility works.

Go to Postcode API