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

Which is more popular?
Based on our record, ClubsAll seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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CA
ClubsAll
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ZIP
ZIP Code API
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| Website | clubsall.com | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.
No description of ClubsAll yet.
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...
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Recommendations tracked on public social media and blogs since March 2021.
In creating this platform, we wanted to ensure a sense of familiarity in design and preserve the features you know and love. ClubsAll is a young platform and we're committed to continuously enhancing your experience by introducing more... Source: almost 3 years ago
Tracking ZIP Code API since May 2026.
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