AddressZen
7.9#2 in address verification software$49 one-timeFree planAndroidiOSWebAPI
VisitAddressZen vs PostalUp
What both publish
| Fact | AddressZen | PostalUp |
|---|---|---|
| Integrations | Listed integrations include Zapier, Adobe Commerce, WooCommerce, Contact Form 7, Gravity Forms, Gutenberg, Ninja Forms, FormAssembly, Formidable Forms, Formstack, JetFormBuilder and Elementor Pro. | The developer page provides a Postman collection and an OpenAPI specification for working with the API. |
| License | The OpenAPI reference identifies the API as copyright IDDQD Limited with all rights reserved, indicating proprietary software. | The downloads page says internal commercial use is included, while redistribution to customers requires a redistribution license. |
| Product | AddressZen provides US and international address lookup, autocomplete, validation, and verification. | PostalUp provides ZIP code databases and an address validation API for address standardization, verification, geocoding, and bulk address processing. |
AddressZen plans
- FreeFree
- Free for 1 yearFree
- 1,400 verified addresses$49, paid once
- 5,000 verified addresses$149, paid once
- 14,000 verified addresses$349, paid once
- 55,000 verified addresses$1,000, paid once
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 AddressZen if…
AddressZen suits businesses and developers that need to validate, standardize, or suggest US and international addresses. Its API and integrations may fit websites and forms that collect address details.
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.