Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Theme Forest
WPExplorer
Themify
CyberChimps
InkThemes
Web-Dorado
Graph Paper Press
TemplateMonster offers premium website and e-commerce templates.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | templatemonster.com |
| Company | Startup from the United States · 2026 | 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
TemplateMonster is a renowned digital marketplace offering a wide range of premium and free products for all web projects and needs. This platform is a treasure trove for web designers and developers, as well as marketing experts and everyone interested in high-quality web design assets. Whether...
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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The #1 marketplace for premium website templates, including themes for WordPress, Magento, Drupal, Joomla, and more. Create a website, fast.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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WPExplorer enables you to explore numerous WordPress Plugins and Themes and pick the one that matches the requirements of your company.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Premium WordPress Themes & Plugins Since 2010, Themify themes and plugins have been helping 87,941+ customers make beautifully responsive WordPress sites, faster and easier than ever.
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