AddressZen
Address autocomplete and verification for US and international addresses
At a glance
- Editor score9.0 / 10
- PricingFrom $49
- Best forUS verification with predictable address bundles
- Free planNo
- API accessYes
- Founded2012
- Facts checked20 Sep 2026
Where it wins
- USPS CASS-based verification, correction, and standardization
- Autocomplete, fuzzy matching, and international address lookup
- CLI batch processing plus API key and usage management
Where it doesn't
- No permanent free plan
- Paid access is sold in address-volume packages
- Support-hour information is not consistent across the offering
Our verdict on AddressZen
AddressZen provides address autocomplete, validation, correction, and standardization through JavaScript libraries, integrations, and a REST API. It is designed for developers and businesses adding address capture to forms, ecommerce sites, CRMs, and other workflows. US verification uses USPS CASS data, while autocomplete supports international lookup across hundreds of countries and territories. A dashboard covers account, API key, usage, and reporting management, giving teams several ways to manage address verification activity.
Pricing is structured around address-volume packages rather than a recurring subscription. The “Free for 1 year” offer includes 1,400 verified addresses. Paid packages start at $49 one time for 1,400 verified addresses, followed by $149 for 5,000, $349 for 14,000, and $1,000 for 55,000. Paid packages include US and international addresses, unlimited keystrokes, optional renewal, and account and technical support. This structure suits projects that prefer a defined allocation and one-time purchase, while teams with continually changing demand may need to plan package usage carefully.
AddressZen’s ecosystem fit is a notable strength. Integrations include Zapier, Adobe Commerce, WooCommerce, Contact Form 7, Gravity Forms, Gutenberg, Ninja Forms, FormAssembly, Formidable Forms, Formstack, JetFormBuilder, Elementor Pro, and Unbounce. Developers can also use the API, JavaScript libraries, and CLI batch verification. The feature set is broad for teams that need both front-end address capture and back-end cleansing. Choose AddressZen when US verification, international lookup, form integrations, and predictable bundles matter. Consider an alternative if you need a permanent free plan or a pricing model that is not tied to address-volume packages.
AddressZen pricing
All 5 AddressZen plans and prices →
AddressZen fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| API access | Yes |
| Batch validation | Yes |
| Address correction | Yes |
| Address standardization | Yes |
| Address autocomplete | Yes |
| International coverage | Global |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | ISO 27001 |
| Support | Email, Live chat, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 5,000+ integrations: Zapier, Adobe Commerce, WooCommerce, Contact Form 7, Gravity Forms, Gutenberg … See all → |
| Pricing | From $49 (source) |
| Website | addresszen.com |
| Facts checked | 20 Sep 2026 |
AddressZen integrations
AddressZen lists 5,000+ integrations on its own site — the 13 named here are the ones its pages call out.
- Zapier
- Adobe Commerce
- WooCommerce
- Contact Form 7
- Gravity Forms
- Gutenberg
- Ninja Forms
- FormAssembly
- Formidable Forms
- Formstack
- JetFormBuilder
- Elementor Pro
- Unbounce
See all AddressZen integrations →
Alternatives to AddressZen
- Smarty Address VerificationA broad address data toolkit with strong API, batch, correction, and global coverage.9.0
- PostGrid Address VerificationA capable global validator for teams that need integrations and flexible workflows.8.0
- Loqate Address VerificationA broad address-data quality platform for enterprise validation, enrichment and batch workflows.5.8
See all AddressZen alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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