WordPress plugin intelligence profile

JPZAC

JPZAC automatically fills in Japanese addresses from postal codes during WooCommerce checkout using the Japan Post API.

WP PlugIndex snapshot

Current directory snapshot

Tested up to WordPress 7.1
Current version1.3.6
WordPress coverageTested up to WordPress 7.1
Minimum stackWP 7.0 · PHP —
Directory statusactive
Last directory update2 Nov 20261d ago
Active installationsNewAdoption metric — not a quality score
WordPress.org ratingNo WordPress.org ratings yet
Official packageDirect from WordPress.org

Repository metrics are context, not quality scores. Active installations measure adoption and can strongly reflect a plugin’s age and historical popularity. Ratings, recent updates and “Tested up to” metadata also do not guarantee modern code, error-free operation, security, feature completeness or suitability for a particular site. Why active installs don’t tell the whole story →

WP PlugIndex currently records JPZAC version 1.3.6 as active, updated 1d ago and tested up to WordPress 7.1.

Overview

About this plugin

JPZAC retrieves Japanese address information from postal codes using the Japan Post API.

The plugin supports WooCommerce Classic Checkout and Checkout Blocks.

To use JPZAC, you need a Japan Post Yu ID and API authentication credentials.

Setup

  • Obtain a Yu ID and sign in to the Japan Post Postal Code and Digital Address for Biz service.
  • For testing, obtain the credentials listed under “Test API Credentials” and the token and address search endpoints from the test API reference.
  • For production use, register a system in the system list and obtain your production Client ID and Client Secret.
  • Find the production token and address search endpoints in the API reference.
  • Enter these credentials and endpoints in the JPZAC settings page.

When entering the address search endpoint URL, remove the trailing {search_code} placeholder.

Known Limitations

  • Digital Address lookup is not supported.
  • Reverse lookup from an address to a postal code is not supported.

Uninstallation

Deactivate and delete JPZAC through the WordPress Plugins menu.

External Services

JPZAC uses the Japan Post Postal Code and Digital Address API to retrieve Japanese address information from postal codes.

When a customer enters a postal code and an address lookup is required,

the plugin sends the postal code to the Japan Post API through the WordPress server.

API authentication credentials are also sent to Japan Post when obtaining an access token.

, Ltd.

JPZAC is an independently developed plugin and is not an official Japan Post product.

Service and Terms of Use:

jp/terms

Compatibility & maintenance

Compatibility & maintenance

Tested with WP 7.1

Marked as tested with the current WordPress 7.1 release.

Current WordPress releaseWordPress 7.1
WordPress.org Tested up to7.1
Minimum requirementsWordPress 7.0 · PHP not listed
Update activity2 Nov 20261d ago

“Tested up to” is directory metadata supplied by the plugin author. WP PlugIndex does not turn an older declaration into a claim that the plugin is incompatible.

Changes recorded by WP PlugIndex

Recent tracked changes

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Tracking & source

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