
Ditto
Maccy
Paste App
Clipy
Pastebot
ClipboardFusion
CopyCat Clipboard
CopyQ : Clipboard Manager with Advanced Features.
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

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 | hluk.github.io | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of CopyQ yet.
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...
What each product offers, as listed by its team.

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Overall verdict
Why this product is good
Recommended for
CopyQ is recommended for developers, writers, and power users who require strong clipboard management capabilities and are comfortable with configuring custom scripts or settings to optimize their workflow.
Overall verdict
Why this product is good
Recommended for
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CopyQ text snippet manager
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When comparing CopyQ and ZIP Code API, you can also consider the following products.

Easy to use interface; Search and paste previous copy entries; Keep multiple computer's clipboards in sync; Data is encrypted when sent over the network; Accessed from tray icon or global hot key; Select entry by double click, enter key or drag drop…
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Paste is a clipboard manager for Mac and iOS devices.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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