Straightforward address validation services

We understand the importance of good quality customer address data and its criticality to providing competitive advantage through exceptional customer service. So we’ve designed an address validation solution that delivers a richness in functionality to make your life easier and your customer’s experience better.

Our easy to use API interface offers:

  • validation for Australia and New Zealand addresses within 8-10 keystrokes
  • integration with ecommerce and CRM platforms; websites and mobile applications
  • enrichment of the quality of customer data by offering optional email and phone verification and socio demographic SEIFA information; and
  • business ABN validation

And with no charge for address searches and/or look ups, you’ll only pay for the validated addresses you use.

Our services

Address Validation
for Web

Address Validation
for Salesforce

Address Validation for Ecommerce





Bulk Address

Customer Matching

How It Works

1. Register Register your details here and we'll create a free trial account for you to get started straight away.
2. Set up Visit your account dashboard online where you can create a 'new service' to try. We'll guide you step-by-step and show you the code for your website/app.
3. Try it Use the 30 day FREE trial period to try our services out and see them working in your website or app.
4. Sign up To continue using Harmony Hosted after the trial period, simply sign up for any of our annual plans or call us on (02) 9024 2424 to discuss pricing options.

Why choose Harmony Hosted

Over 25 years enriching customer address data

For over 35 years, we have worked with the largest holders of customer address data across government and business sectors.
The dedicated Mastersoft team behind Harmony Hosted proudly delivers our address management expertise across multi-verticals such as Finance, Banking, Insurance, Retail, Ecommerce, Telecommunications, Utilities, Government and many more.

World class technology

Using world-class technologies, Harmony Hosted helps improve business efficiency, as well as drive sales growth for our customers:

  • 20% reduction in time spent onboarding customers
  • 30% improvement in bulk mail costs
  • 25% reduction in returned goods
  • 20% improvement in address quality.

Easy set up, easy to use

Our API is easy to install and works instantly on any device and platform. All it takes is a little snippet of Javascript code on your website, or install a plugin to your online store or CRM and it will turn address fields in your form into an autocomplete dropdown.

Superior support

When you use Harmony Hosted, you get access to Mastersoft’s wonderful support team and the full backing of our software developers. With a long and proven track record of delivering address validation and quality services, you’ll be in safe hands.

Risk-free trial

Our free 30-day trial gives you access to all of our standard address validation services. It’s your chance to test the services we offer – and to see our exceptional technology and support in action.

Regular updates from government data

We update our address data monthly, with all other validation data updated on a quarterly basis. This data comes from:

  • Australia Post’s Postal Address File (PAF)
  • New Zealand Post’s NZAD and NZGEOPAF
  • Business registration file
  • PSMA Australia’s Geocoding File (G-NAF)
  • G-NAF Plus SEIFA

What our customers think about us

  • “We chose Mastersoft’s Harmony Hosted address validation service over many others we evaluated because it was easy to integrate into our customers’ eCommerce website checkouts. It provides our customers’ with a slim-line checkout which improves conversion rates and grows revenue. It reduces custom errors with shipping addresses which decreases lost orders and customer service issues and most importantly it contributes to lower fraud rates. The Harmony Hosted address validation software is reliable and fast. Our retail clients process tens of thousands of address requests each and every day of the year. The Mastersoft team provides us with outstanding service, their technical support team are always incredibly fast in their replies to any questions we have or configuration settings we require. So glad we found them. It’s great to have a service you can rely on.”

    Andrew Maver
    Co Founder & Director, NOW Solutions
  • “Integrating our WooCommerce eCommerce platform with Harmony Hosted's address validation service has significantly reduced the number of failed order deliveries, which were largely due to the customer unintentionally entering an incorrect delivery address. The result of this is a substantial saving in shipping costs each month as well as providing a better customer experience overall. The API is fast, the data accurate, and the service is easy to implement."

    Luke Hopkins
    Co-founder and CTO, The Protein Bread Co.
  • “The 30-day free trial allowed us to experience Harmony’s easy setup process and superior validation success rates. By partnering with Mastersoft, we can now relax in the knowledge that the data we’re collecting will be cleaner and will help with improved customer acquisition and order delivery rates.”

    Stefani Michael
    Marketing and Online Sales Manager, Maggie Beer Products
  • “The Harmony Hosted address validation system has been instrumental in improving our e-commerce conversion rates, reducing cart abandonment rates and significantly reducing incorrect address entry by our customers.
    We can’t even begin to count the hours, and dollars we’ve saved by integrating Mastersoft’s address validation system with our site.”

    Mohamad Hannaway
    Manager (Web & Customer Relations), ‎A&H Frameshop Pty Ltd
  • "Makes a real difference being able to validate your addresses in the system and also have any new customers who provide address details pre-validated. Time efficient and effective.
    We also added in the Company lookup tool which validates ABN and official company name. Accurate data is now a given."

    James Clampett
    Director, Philanthropy & Impact Investing, The Benevolent Society
  • “Very good app for Salesforce and really affordable too. The setup and support have also been good would recommend this app for sure.”

    Juan Maart
    IT Business Analyst, ADRA International
  • “Mastersoft have become a very important business partner for Allianz Australia - the Harmony Software suite is now a critical component that supports a number of our Allianz Insurance systems.
    Over the last 2 and a half years, Mastersoft has delivered a great customer service which has been critical to the success of a major Allianz Insurance project – a project dependent on correctly capturing Australian addresses.”

    Allianz Australia
  • “You want to have a partnership with your vendors, and it’s really a two-way street. That’s been the difference with Mastersoft.
    It’s been a very even keeled partnership, and we know that we can be transparent with each other.”

    Caroline Woodhill
    Vice President IT – Asia Pacific, Accor Plus
  • "We have been using Harmony Hosted within our Business for the last couple of years and it’s been deployed within Salesforce and other Applications giving us the validation we needed for selection of Address and ABN data, allowing us to get the correct details every time. Harmony Hosted has also assisted us in cleansing our original data set, which has improved our overall data in these areas. Excellent product to deploy on any Application for Address and ABN Validation. Well done Team."

    Kathy James
    System Development Manager, Fleetcare
  • "Would definitely recommend Harmony Hosted if you are looking for Australian address validation. Technical support was fast and efficient when required. A good, cost effective solution."

    Colin McNabb
    Executive Manager, Irene Gleeson Foundation


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