Postcode Checkout – Address Validation | WooCommerce

📦 Validate Customer Addresses in WooCommerce

10+ active installsFree on WordPress.org

View on WordPress.org Support forum

Will this break my store?

What the WordPress.org registry says about keeping Postcode Checkout – Address Validation | WooCommerce running.

WordPress compatibility

Tested to 7.0.2

Tested against the WordPress branch in use today.

Last updated

20 days ago

At least 5.5 releases a year since launch. WordPress.org only lists versions still available for download, so the real number may be higher.

Requires PHP

8.1

Your host must be running at least this version.

Requires WordPress

6.0

Requires other plugins

woocommerce

These must be installed and active first.

Contributors

1

A single maintainer. Worth knowing if the plugin is load-bearing for your store.

10+ active installsWordPress.org reports installs in bands, not exact counts.

Maintenance & trust

Scored on how Postcode Checkout – Address Validation | WooCommerce is looked after — not on how many stores run it.

Well maintained

Not enough public feedback to put a confident number on this one. Little public feedback — score rests mostly on release activity. What we can see is below.

Maintenance

35 / 35

Updated 17 days ago.

WordPress compatibility

20 / 20

Tested to WP 7.0.2 (current).

Support responsiveness

Not enough data

Only 0 support thread(s) — not enough to judge.

Merchant satisfaction

Not enough data

No ratings yet.

Listing transparency

4 / 10

Provides: screenshots

2 of 5 measures had too little evidence to score. They are left out of the total rather than counted as zero — otherwise a plugin would be marked down for being small rather than for being poorly kept.Measured 2026-08-02 from the WordPress.org plugin registry.

Ratings

No one has rated this plugin on WordPress.org yet. That is a statement about the ratings page, not about the plugin — plenty of well-kept plugins never collect them.

Using WooCommerce for WordPress and want to make sure your customers enter valid, deliverable addresses? This plugin does the job perfectly!
Save time, reduce failed deliveries, and make checkout smoother by validating addresses in real time through trusted postcode databases.

Features

✅ Easy to use – Quick setup and seamless integration with WooCommerce.
✅ Accurate address validation – Verify customer data instantly using reliable postcode sources such as Postcode EU, Pro6PP, Postcode API, Nederland Postcode API and Postcode Connect.
✅ Dutch & international support – Works with national (The Netherlands) and international addresses across: The Netherlands, Belgium, Germany, Luxembourg, Austria, Switzerland, France, United Kingdom, Spain, Denmark, Norway, Finland, and Sweden.
✅ Fully configurable – Adjust validation rules and settings to match your checkout’s workflow.
✅ Fully functional test environment available – Try it risk-free before choosing your databroker and see how much time you save!

Requirements

⚙️ You can create a free Postcode Checkout account and fully test the plugin before choosing your databroker.
⚙️ This plugin requires an Postcode Checkout license to perform real address validation and autocompletion. Licenses can be puchased at: https://www.postcode-checkout.nl/en/pricing
⚙️ This plugin requires an active postcode database account from one of our supported databrokers (i.e. Postcode EU, Pro6PP, Postcode API, Nederland Postcode API and Postcode Connect)

Postcode EU
Postcode API
Pro6PP
Nederland Postcode API
Postcode Connect

External services

This plugin connects to the following external services:

Postcode Checkout by CodeBrain BV
- Service URL: Postcode Checkout dashboard
- Privacy policy: Privacy Policy
- Terms: Terms and Conditions
- Purpose: validates the merchant API key and performs international address lookup (suggestions and details) and national addresses. Additionally retrieves the supported countries in case of international Postcode EU or Pro6PP.
- When requests are sent: when an administrator saves or validates the plugin API key, and when a visitor uses address validation or autocomplete in a Contact Form 7 form where this plugin is enabled.
- Data sent: the API key in the Authorization header, the site URL in the Referer header, a User-Agent string containing the plugin name and author, and lookup data such as country, search query, postcode, house number, house number addition, selected address identifier, and autocomplete session identifier where applicable.

Where do I acquire a license?

A year long license can be purchased from Postcode Checkout.

Can i test the Plugin?

A fully functional test environment is available. You can try it risk-free before choosing your databroker! Register here to get started: Postcode Checkout Dashboard

Where do I acquire a Postcode data broker license?

You can acquire a license at one of their websites.

What is a postcode database provider/broker?

A postcode database provider is a company that manages all addresses within a certain country. Our plug-in uses this data to enrich the plug-in after a validation.

Which postcode database providers do you support?

We currently support the following providers.

Plugin details

Version3.0.9.7

Last updated2026-07-16 12:31pm GMT

Added2024-03-18

Requires WordPress6.0

Tested up to7.0.2

Requires PHP8.1

Tags on WordPress.org

address

checkout

postcode

validation

woocommerce

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Postcode Checkout – Address Validation | WooCommerce

📦 Validate Customer Addresses in WooCommerce

10+ active installsFree on WordPress.org

View on WordPress.org Support forum

Will this break my store?

What the WordPress.org registry says about keeping Postcode Checkout – Address Validation | WooCommerce running.

WordPress compatibility

Tested to 7.0.2

Tested against the WordPress branch in use today.

Last updated

20 days ago

At least 5.5 releases a year since launch. WordPress.org only lists versions still available for download, so the real number may be higher.

Requires PHP

8.1

Your host must be running at least this version.

Requires WordPress

6.0

Requires other plugins

woocommerce

These must be installed and active first.

Contributors

1

A single maintainer. Worth knowing if the plugin is load-bearing for your store.

10+ active installsWordPress.org reports installs in bands, not exact counts.

Maintenance & trust

Scored on how Postcode Checkout – Address Validation | WooCommerce is looked after — not on how many stores run it.

Well maintained

Not enough public feedback to put a confident number on this one. Little public feedback — score rests mostly on release activity. What we can see is below.

Maintenance

35 / 35

Updated 17 days ago.

WordPress compatibility

20 / 20

Tested to WP 7.0.2 (current).

Support responsiveness

Not enough data

Only 0 support thread(s) — not enough to judge.

Merchant satisfaction

Not enough data

No ratings yet.

Listing transparency

4 / 10

Provides: screenshots

Ratings

No one has rated this plugin on WordPress.org yet. That is a statement about the ratings page, not about the plugin — plenty of well-kept plugins never collect them.