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

Surface Studio
MacBook Pro
Spotify
Magic Playlist
iOS
volt.fm
Spotalike
Beautiful analytics on your Spotify listening habits ๐ง

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | spotify.com |
| Company | Startup from the United States ยท 2026 | โ |
| 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 โ no separate APIs by country or data type. What it does Address validation and standardization โ production-grade parser with ZIP+4 append, refreshed monthly Radius search โ centroid haversine and...
No description of Spotify.me 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
How often each product is chosen within a category, 0โ100% relative to the other.

Share your experience with using ZIP Code API and Spotify.me. For example, how are they different and which one is better?
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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.
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Map shows when two people play same song at same time
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