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

EZBlocker
Smutefy
SpotiShush
Blockify
BlockTheSpot
Mutify
SpotifyAdBlock
SpotiAds is an all-in-one chrome extension that is helping out music listeners to block audio ads from playing on Spotify.

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 | dropcatch.com |
| 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 SpotiAds 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
No analysis of SpotiAds yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and SpotiAds. For example, how are they different and which one is better?
When comparing ZIP Code API and SpotiAds, 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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EZBlocker is an beautifully simple ad blocker for ...
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Smutefy is a small menu bar application that automatically detects and mute Spotify ads
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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 SpotiAds:

A browser extension that automatically mutes audio ads on Spotify Web Player and Deezer.
Compare SpotiShush to ZIP Code API or SpotiAds: