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  7. Demfilz Shipping Rates for Australia Post

Demfilz Shipping Rates for Australia Post

Live Australia Post shipping rates at checkout, with an admin settings page for your API key and options.

30+ active installsFree on WordPress.org
View on WordPress.orgSupport forum
Will this break my store?

What the WordPress.org registry says about keeping Demfilz Shipping Rates for Australia Post running.

WordPress compatibility
Tested to 7.0.2
Tested against the WordPress branch in use today.
Last updated
1 month ago
Requires PHP
7.2
Your host must be running at least this version.
Requires WordPress
5.6
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.
30+ active installsWordPress.org reports installs in bands, not exact counts.
Maintenance & trust

Scored on how Demfilz Shipping Rates for Australia Post 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 42 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
7 / 10
Provides: screenshots, description
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 2026-08-01 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.

This plugin adds an “Australia Post” shipping method to WooCommerce that fetches
live parcel rates (domestic and international) from Australia Post.

Two rate sources are supported, switchable on the settings page:

  • PAC API — standard retail postage, using a single free API key.
  • Shipping & Tracking API — the negotiated rates on your Australia Post charge
    account (eParcel / MyPost Business / Enterprise), using your account number,
    API key and password.

Features:

  • Dedicated admin settings page (WooCommerce > Settings > Australia Post) for credentials and all options.
  • One-click “Test credentials” button for whichever rate source is selected.
  • Live domestic and international parcel rates.
  • Service picker — choose exactly which services to offer (Parcel Post, Express Post, Courier, satchels, international, etc.).
  • Optional delivery-time estimate shown beside each service.
  • Optional “Remove GST” to strip the 10% GST from quoted prices.
  • Automatic parcel sizing from product dimensions, with a configurable default box.
  • Handling fee and percentage markup.
  • Optional free-shipping threshold.
  • Optional fallback rate so checkout is never blocked if the API is unavailable.
  • Admin-only test mode to preview live rates before going live.
  • Response caching and debug logging.
  • Credentials are stored masked and never rendered back into the page.
  • Compatible with WooCommerce High-Performance Order Storage (HPOS) and the cart/checkout blocks.

Getting credentials

For the PAC rate source:
1. Register for a free account at https://developers.auspost.com.au
2. Request access to the “Postage Assessment Calculation (PAC)” API.
3. Copy the API key into WooCommerce > Settings > Australia Post.

For the Shipping & Tracking (account) rate source:
1. You need an Australia Post business/charge account.
2. Request Shipping & Tracking API access and credentials from Australia Post.
3. Enter your account number, API key and password into the settings page.

External services

This plugin calculates live postage by sending parcel details to Australia Post’s
developer APIs. No data is sent until you enter API credentials and a shipping quote
is requested.

What it connects to:

  • The Postage Assessment Calculation (PAC) API and/or the Shipping & Tracking API,
    hosted at digitalapi.auspost.com.au.

When data is sent:

  • When a customer requests a shipping quote at the cart or checkout, and when you use
    the “Test credentials” button in the admin.

What is sent:

  • Origin postcode, destination postcode and/or country, and the parcel weight and
    dimensions. For the Shipping & Tracking API, your Australia Post account number and
    API credentials are also sent to authenticate. No customer name, address lines,
    email or payment details are sent.

This is a third-party service provided by Australia Post; by using it you agree to
their terms and privacy policy:

  • Australia Post Developer Centre: https://developers.auspost.com.au
  • Australia Post API terms & conditions: https://developers.auspost.com.au/terms-conditions
  • Australia Post privacy policy: https://auspost.com.au/privacy

This plugin is independent and is not affiliated with, endorsed by, or sponsored by
Australia Post or WooCommerce. “Australia Post” and “WooCommerce” are trademarks of
their respective owners.

Do I need an Australia Post account?

You need a free Australia Post Developer Centre account to obtain a PAC API key.

Why are rates not showing?

Make sure (1) your credentials are saved and the “Test credentials” button succeeds,
(2) an origin postcode is set, (3) the Australia Post method has been added to the
customer’s shipping zone, and (4) products have a weight.

Are prices GST inclusive?

Australia Post domestic prices already include GST, so the method’s tax status
defaults to “None” to avoid double-charging tax.

Categories
Shipping rates & rules
Plugin details
Version1.0.0
Last updated2026-06-20 10:42pm GMT
Added2026-06-20
Requires WordPress5.6
Tested up to7.0.2
Requires PHP7.2
Tags on WordPress.org
auspost
australia post
shipping
shipping rates
woocommerce
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