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

WPExplorer
CyberChimps
Themify
Web-Dorado
Graph Paper Press
YOOtheme
Nimbus Themes
2500+ Ready-Made WordPress Themes for all businesses, Install & use QUICKLY, No coding required, FREE + PAID + Responsive + Best WordPress Themes, 24*7 Support.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | inkthemes.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | — |
| 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...
No description of InkThemes yet.
What each product offers, as listed by its team.

Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
No analysis of InkThemes yet.
Walkthroughs and reviews on video.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
InkThemes Review | Build an affordable and professional website
More videos
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and InkThemes. For example, how are they different and which one is better?
When comparing ZIP Code API and InkThemes, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to ZIP Code API or InkThemes:

WPExplorer enables you to explore numerous WordPress Plugins and Themes and pick the one that matches the requirements of your company.
Compare WPExplorer to ZIP Code API or InkThemes:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or InkThemes:

Get Free & Premium WordPress Themes & Templates - Fully Customizable, Fast & Mobile-Friendly by CyberChimps. Home of the popular Responsive WordPress Theme.
Compare CyberChimps to ZIP Code API or InkThemes:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or InkThemes:

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.
Compare Themify to ZIP Code API or InkThemes: