Addresser
7.9#1 in address verification software$10 one-timeFree planAndroidiOSWebAPI
VisitAddresser vs PostalUp
What both publish
| Fact | Addresser | PostalUp |
|---|---|---|
| Address processing | Its address API parses, standardises, verifies, and enriches an address in a single API call. | The terms state that address data submitted for validation is processed in real time and is not permanently stored except as necessary to provide the service or as permitted by the Privacy Policy. |
| Company | The site footer identifies Addresser as Extropy Systems Pty Ltd. | The terms identify PostalUp, Inc. and give an Austin, Texas address of 13359 N Highway 183 Suite 406-528, Austin, TX 78750. |
| Data sources | Addresser names Australia Post, PSMA G-NAF, New Zealand Post, and the Australian Bureau of Statistics as data sources. | The downloads page says its datasets are sourced from USPS, Census, OMB, HUD, and TIGER. |
| Integrations | Addresser provides a WordPress and WooCommerce plugin that is configured with an Addresser API key. | The developer page provides a Postman collection and an OpenAPI specification for working with the API. |
| 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 developer page says technical support from its engineering team responds within 24 hours. |
Addresser plans
- BusinessFree
- eCommerceFree
- Lite$10, paid once
- Barcode$50, paid once
- EnterprisePriced on request
PostalUp plans
- Free to TryFree
- ZIP Code Database Basic$19 a year
- Starter$29 a month
- ZIP Code Database Standard$39 a year
- ZIP Code Database Deluxe$79 a year
- Professional$99 a month
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 PostalUp if…
PostalUp may suit teams that need to validate or process U.S. addresses through an API, or download postal datasets for internal commercial use. Its listed use cases include e-commerce, logistics, real estate, marketing, insurance, and healthcare.