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

Shottr
ScreenStudio
BrandBird
CleanShot X
Supasnap
Tella
Loom
Take beautiful screenshots instantly

Which is more popular?
Based on our record, Xnapper seems to be more popular. It has been mentioned 6 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 | xnapper.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | 2022 |
| 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...
Xnapper is a nataive macOS Application that enables users to take beautiful screenshots instantly, making it "social media ready" the moment you snap your screen.
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
Walkthroughs and reviews on video.
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Best SCREENSHOT Tool for Mac | Xnapper Review (FULL DEMO)
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Xnapper. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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In conclusion, these five screenshot apps for Mac offer a range of features to cater to different user needs. Xnapper stands out as the best all-in-one screenshot tool with its automatic beautification and screen...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
600 hours to build another screenshot editor? Which just adds some gradient and aligns the image? What are some differences between your product and the following free services? https://screenzy.io/ https://screenshot.rocks/... - Source: Hacker News / over 2 years ago
No, it's taking a screenshot of the browser's content, then adding padding to the surrounding image, and letting you pick a colour for it. Screenshot Software like Cleanshot X and Xnapper have this feature built in, either as a default... Source: almost 3 years ago
Reminds me of https://xnapper.com/, except for code. I imagine some people might tweet snippets of code, and this makes the snippet look much more visually appealing. - Source: Hacker News / about 3 years ago
When comparing ZIP Code API and Xnapper, 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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Shottr is a free macOS screenshot app with scrolling screenshots, OCR, annotation and measurement instruments.
Compare Shottr to ZIP Code API or Xnapper:

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


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