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

CopyQ
Maccy
ClipboardFusion
Clipy
ClipClip
CopyCat Clipboard
ClipAngel
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…

Which is more popular?
Based on our record, Ditto seems to be more popular. It has been mentioned 61 times since March 2021.
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 | ditto-cp.sourceforge.io |
| 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 Ditto 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
Overall verdict
Why this product is good
Recommended for
Ditto is recommended for users who frequently work with large amounts of text or data and need an efficient way to manage their clipboard history. It's also suitable for developers, writers, and office professionals who require a reliable clipboard management tool.
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Don't Ditto, The Worst Digital Music Distributor of 2019
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Ditto. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Ditto (Windows) - One of the most popular clipboard managers for Windows. Free, efficient and gets the job done. - Source: dev.to / over 1 year ago
The most famous is the clipboard one (https://ditto-cp.sourceforge.io/). I'd be surprised if they were referring to another "Ditto" software. - Source: Hacker News / over 2 years ago
I use Ditto (https://ditto-cp.sourceforge.io/). It uses about 5MB Ram and lets you expire clips. - Source: Hacker News / almost 3 years ago
When comparing ZIP Code API and Ditto, 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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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or Ditto:

ClipboardFusion makes it easy to remove clipboard text formatting, replace clipboard text or run powerful macros on your clipboard contents! You can even sync your clipboard with other computers an...
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