Address validation for ecommerce
Capture accurate delivery addresses at checkout - faster, cleaner and ready for delivery
Addressfinder’s address validation helps ecommerce teams reduce entry errors, speed up checkout and capture delivery-ready addresses in real time. Our service is built for high-volume retail and designed to improve both conversion and delivery outcomes.
As Australia and New Zealand address experts, we handle regional complexities and can display addresses that only Australia Post or NZ post accept - so every package gets delivered.

“Autocomplete at checkout led to a 90% reduction in redelivery calls” - The Dinner Ladies
Test our address autocomplete
Try searching an address in our widget below and select ‘Show JSON’ to see the response.
Configure the address autocomplete to block PO boxes and rural address or to only return verified addresses from certain datasets.
Different datasets return different metadata. See the full response here.
Why choose Addressfinder
From checkout conversion to successful delivery, address quality directly impacts revenue, customer satisfaction and operational efficiency in ecommerce.
Increase delivery rates
Capture verified addresses before orders are placed to ensure accurate addresses you can reliably ship to.
Optimise checkout
Address autocomplete provides seamless UX, speeding up checkout and keeping customers on your site.
Store select capability
Utilise addresses, suburbs or GPS coordinates to identify closest stores, stock availability and store select.
Operational planning
Collect location-based metadata such as DPID, meshblock, SA1 and LGA to define delivery zones, catchment areas and fulfilment optimisation.
Handles Australasian nuances
Our service was created for Australia and New Zealand first, then expanded for international. This means know how to handle regional complexities.
Block PO Boxes, rural addresses and more
Configure the autocomplete service to use specific data sources (GNAF, PAF, NZ Post), block postcodes or limit results to a state or region.
Why Addressfinder
We connect businesses with clean, verified address data you can trust
Trusted data sources - official databases, updated monthly
Local expertise - we handle unit, level and other nuances
Knowledgeable support - local team you can actually talk to
Flexible integrations - widgets, APIs and plugins to suit you
99.999% API uptime - reliable and accurate service
SOC 2 Certified - committed to security and privacy

How teams use Addressfinder
Addressfinder helps teams collect accurate data from the start - so errors are caught at the source, not discovered downstream.
Beyond address verification, we also verify:
- Email addresses in checkouts and forms
- Phone numbers in checkout and forms
- Large datasets in bulk
- Addresses post-checkout
At checkout
Add predictive address autocomplete to reduce manual entry errors, speed up checkout and capture accurate addresses ensuring they are complete and valid before an order is placed.
For delivery suppliers
Pass verified, standardised addresses into fulfilment systems to meet courier and postal requirements, reducing failed deliveries, rework and redelivery costs.
Geographic and operational planning
Utilise location-based metadata such as meshblock, SA1, LGA to define delivery zones, catchment areas, optimise fulfilment and inform expansion strategies.
For operational efficiency
Maintain clean, consistent address data across apps, CRM, marketing, and customer support systems - reducing manual correction, support tickets and downstream errors.
Ways to use our service
Addressfinder’s address autocomplete can be easily incorporated into your workflow through our range of integration options created to suit your business needs and technical requirements.
Start verifying data in minutes
30-day free trial. No credit card required. Cancel anytime.