Addresser
7.9#1 in address verification software$10 one-timeFree planAndroidiOSWebAPI
VisitAddresser vs UPU POST*CODE API
UPU POST*CODE API
6.0#23 in address verification softwareWebAPI
VisitWhat both publish
| Fact | Addresser | UPU POST*CODE API |
|---|---|---|
| Integrations | Addresser provides a WordPress and WooCommerce plugin that is configured with an Addresser API key. | The API can be used as a CDS plugin, through the CDS API gateway or other middleware, or integrated into postal websites and local applications. |
| Maker | The site copyright identifies Addresser as a product of Extropy Systems Pty Ltd. | The Universal Postal Union says it was established in 1874 and is headquartered in Berne, Switzerland. |
| Purpose | Addresser provides real-time and batch validation of Australian and New Zealand addresses, email, and phone data. | POST*CODE API verifies international addresses and helps eliminate addressing inaccuracies. |
| Security | The security page says database data is encrypted at rest with AES-256 and data in transit with TLS 1.2 or higher. | The CDS setup guide describes a security token used to identify and authenticate a CDS installation, with tokens unique to countries. |
| Support | The FAQ directs users who cannot see portal credentials to contact Addresser by email or phone; the listed general phone number is +61 2 7251 9425. | The guide directs users with questions about costs, documentation, or a free trial to [email protected]. |
Addresser plans
- BusinessFree
- eCommerceFree
- Lite$10, paid once
- Barcode$50, paid once
- EnterprisePriced on request
UPU POST*CODE API plans
- Contact UPU for pricingPriced on request
Pick Addresser if…
Addresser suits businesses that need to check or enrich Australian and New Zealand contact details, including teams building address entry or checkout flows. Its API and WooCommerce integration also suit developers and online stores.
Pick UPU POST*CODE API if…
The API suits postal operators, businesses, and individuals who handle international addresses. It can support address capture in web shops, customs declarations, user platforms, and ERP systems.