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

Placeit
Smartmockups
Mediamodifier
Mockups Design
Anthony Boyd Graphics
Magic Mockups
Dimmy.Club
Fast and easy way to create product mockups on macOS, Windows and Linux.
Which is more popular?
Based on our record, Mockuuups Studio seems to be more popular. It has been mentioned 3 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 | mockuuups.studio |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | Startup from Slovakia · 2016 |
| 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...
Mockuuups Studio is a super-easy mockup generator with over 4000 mockup scenes. The app is packed with everything you need to create product mockups, outstanding marketing materials, even visual content for social media or blog posts. Instant Preview Import a screenshot, and Mockuuups Studio...
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
Graphic designers, UI/UX designers, marketers, and product managers who need to create polished mockup presentations without spending excessive time on design software.
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Mockuuups Studio Sketch Plugin
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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 Mockuuups Studio. 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.
If you mean the mockups I'm using as the thumbs for the projects, I bought a one month sub for https://mockuuups.studio/. Source: over 3 years ago
Https://mockuuups.studio/ I find this one to be better for mockups including people and setting. Source: over 3 years ago
The https://mockuuups.studio plugin on figma is awesome too. Source: over 4 years ago
When comparing ZIP Code API and Mockuuups Studio, 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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Generate realistic product shots in seconds
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Create stunning product mockups, easily and online.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Create beautiful designs and product mockups in seconds.
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