Address & Postcode Finder NZ

Find, validate and autocomplete addresses


Try our address autocomplete to find your NZ address



Address software to enhance your business


Address Autocomplete NZ

Add real-time address validation with spelling correction to your website

Address Cleansing

Validate and cleanse your entire customer address database using a CSV or Excel spreadsheet

eCommerce Widgets

Use plugins to verify addresses on Shopify, WooCommerce, BigCommerce and more

Address Geocoding

Add GPS coordinates to your addresses and visualise points on Google maps


Introducing Addy


Addy helps New Zealand businesses to create a delightful digital experience. The key to success and repeated online sales is to deliver value to your customers by optimising your checkout process, respecting consumers' time by enabling them to complete transactions without friction and guaranteeing that parcels will be delivered.

Accurate Matching

Fuzzy address matching that will correct typos and mistakes, based on a relevance score, to push better matches to the top of the list.

Data Quality

Find NZ post codes and addresses to maintain an accurate customer database for better decision-making and marketing.

Freshest Data

The latest address data sourced from NZ Post's Postal Address File (PAF), LINZ and more.

Address Verification


Find and capture postal or physical street addresses on your website, Apple app or android device. Users will be delighted to have their delivery address entered fast and validated in real time to boost confidence that orders will be shipped to the right destination.

Address Finder

Check addresses accuracy at the point of capture, reducing the need to clean your database.

Smart Matching

Suggestions are prioritised based on IP locations to display the right address with less keystrokes.

Developers' Choice

Developers have full control to call the Address API with free open-source JavaScript code samples.



Trusted by leading organisations


Our customers range from small businesses to large enterprises. They trust Addy to validate existing NZ address databases and to lookup addresses in real-time for essential delivery efficiency and conversion rates.



eCommerce Checkout Validation


Add delivery and postal address verification to your online store with pre-built plugins and widgets:



Boost cart conversion rates and increase delivery accuracy with Addy's Shopify address autocomplete plugin.


Reduce friction and speed up the checkout process; use the copy-and-paste BigCommerce integration guide.


Increase entry speed by up to 80% - follow the step-by-step WordPress and WooCommerce instructions.

Bulk Address Validation


Verify and de-duplicate addresses and postal codes using a .csv or .xlsx spreadsheet in 3 easy steps:

1. Upload

Enter your addresses into spreadsheet and upload it.

2. Validate

Track the bulk address validation progress and matching accuracy.

3. Download

Download the list of validated address results.


  • Fast - validate thousands of addresses in minutes
  • Verified - addresses are matched against authoritative NZ Post and LINZ datasets
  • Standardised - all verified addresses are in the same consistent address format
  • Recovered - missing attributes such as postal codes, suburbs and cities will be added to the addresses
  • Enhanced - new metadata such as the latitude and longitude geocoordinates and Stats NZ Census metadata will be added too
  • Deduplicated - using the Addy ID or NZ Post DPID you can uniquely identify addresses for duplication detection
  • Transparent Pricing - Verify 500 addresses free per month, choose a plan if you need more

    Start Validating

Address Autocomplete API


Addy's secure, scalable and reliable cloud-based address web services allows developers full control over how to interact with registration and checkout fields. Use open-source jQuery plugins or write your own widget in C#, JavaScript, Angular or React. Get started with in-depth documentation, wrapper downloads, free sample code and step-by-step tutorials. Comprehensive metadata, searching and matching functionality is accessible with an API key, so your possibilities are endless.


API Documentation

Find addresses in real-time


User Experience Optimisation

Show customers that you respect their time with a streamlined checkout experience. Make it quick and easy for users to fill in their delivery details accurately, reduce cart abandonment rates, save money on missed deliveries and remove the complexity of scrubbing address entries in your database.


Quick and Easy Integration

Our services are customer-centric, designed with usability and customer engagement in mind to cater for a range of use cases. eCommerce businesses can add predictive address lookup technology to their store, such as Shopify, without any development expertise. Businesses can integrate with our services by copying and pasting a JavaScript code snippet into Google Tag Manager and experience a live predictive address search instantly. Developers who love to have full control can call our street address and postcode API for manual integration.


Innovative Technology

Our cloud-based predictive search and address validation technology evolves continuously through innovative practices, improving an already excellent user experience. We analyse thousands of address queries to cater from standard to edge-case search criteria that will locate the right destination even when spelling or categorical entry mistakes are made. Extensive research was conducted by evaluating the biggest national and international address providers and we've succeeded in developing a superior, industry leading intelligent address finder.


Tips and Resources


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