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

Keypirinha
Listary
Launchy
Alfred
Synapse
Ulauncher
DockbarX
An effective launcher for windows. A full-featured launcher, access programs and web contents as you type. Be more productive ever since. Wox is free for use and open-sourced at Github, Try it now! Download .
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 | wox.one |
| 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 Wox yet.
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Recommended for
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Wox is a launcher for Windows that helps you find files, search the internet, use plugins, and create themes to match your desktop.
Wox has been proven to be a very effective launcher for the Windows Operating System. Wox is an open-source code that is a full-featured launcher that helps the developer to access programs, web content and other...
The app is heavily customizable and lets you customize it inside out. The settings let you customize the theme, hotkeys, plugins, no of search results etc. Customizing the theme means changing the appearance of the...
When comparing ZIP Code API and Wox, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Listary is a revolutionary search utility for Windows
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Launchy is a cross platform app launcher that also launches documents, folders and web browser bookmarks.
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