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How to set up Castle Parcels

Step-by-step guide to setting up how to Castle Parcels.

3 min readUpdated August 8, 2025

Castle Parcels is now integrated with Starshipit in New Zealand. Castle Parcels offer an Express economy nation-wide courier service with tailor-made solutions for specific industries throughout New Zealand. Through alliances with other Freightways Group companies, Castle Parcels delivers a complete package offer. This integration allows you to use all of Starshipit's features including generation of packing slips and shipping labels, auto-correction of addresses, branded tracking and notifications and many more.

Before you begin

To integrate with Castle Parcels you'll need to have your Castle Parcels Account Number, Client ID and Client Secret available.

If you don't have these credentials please contact your Castle Parcels account manager or contact Castle Parcels via email or phone.

Enable Castle Parcels in Starshipit

To enable Castle Parcels as a courier in New Zealand:

  1. Navigate to Settings > Couriers > click Add a new****courier.
  2. Click Castle Parcels from the list of couriers.
  3. Tick Enable Castle Parcels.
  4. Enter your Castle Parcels Account Number, Client ID and Client Secret.
  5. Click Save.

Once you've entered and saved these details click Test to ensure it works to confirm that your integration is correctly set up.

Available product codes with Castle Parcels

NZ Couriers via Starshipit can be set up with two different product code types:

Overnight Delivery

Overnight is the standard service offering for Castle Parcels. It can be used anywhere in New Zealand as long as NZ Couriers offers pickups and deliveries in that area.

Two Day Delivery

Two Day delivery is offered as an economy service for inter-island shipments. This means in Starshipit you will only see pricing for Two Day, if you have pricing loaded on your Castle Parcels account, and the shipment is inter-island (e.g. sending from Auckland to Christchurch)

Add your product codes

Finally, add the product codes you'd like to use for Castle Parcels by going to:

  1. Add product codes section > Click Add a new product code.
  2. Enter the Code and Name for the product code.
  3. If the product code should be your default, tick the Default checkbox.
  4. Click Save.

Advanced settings

If required you can also update your Advanced Settings for Castle Parcels.

The available Advanced Settings are:

  • Signature Required: Select this option to default 'Signature Required' on all orders.
  • Saturday Delivery: Select this option to default 'Saturday Delivery' on all orders.
  • Send Notifications: To automatically send notifications for every order, enable the "Send Notifications" option. When dispatching orders, ensure the "Send Notifications" checkbox is selected. The default state of this option is determined by your settings preference.
  • Notifications Type: When send notifications is ticked, what type of notifications should be sent? Note that Freightways may incur additional charges for SMS notifications.

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