Making sure your customer address database or mailing list contains valid NZ Post addresses has multiple benefits to your business.
Fri. 28 Jan. 11:59pm - Sat. 6.00am: Access may be intermittent for users of My NZ Post, My NZ Post Business, NZ Post eShip, and some Shipping APIs including ParcelLabel, ParcelAddress, ShippingOptions, Parceltrack and ParcelPickUp.
Sat. 29 Jan. 11:30pm - Sun. 6.30am: Access may be intermittent for users of online tools including My NZ Post, My NZ Post Business, Mail Delivery Services and YouShop.