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?
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 | tagembed.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | Startup from USA · 1 - 9 employees · 2020 |
| 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...
Tagembed is a powerful social media aggregator tool that provides you with a new technique of distributing content that goes beyond social networking. It facilitates gathering, curating, and moderating of visually stunning and engaging social media widgets for use on websites. With Tagembed, you...
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Tagembed is a powerful UGC and social media aggregation platform that allows businesses to easily collect, moderate, and display social feeds, reviews, and user-generated content on their websites. It is widely...
Tagembed is a wonderfully easy tool to use, with a clear and intuitive interface. The pricing is extremely competitive. Even they offer FREE Forever plan.
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All-in-One platform with 80+ widgets designed to solve any of your website tasks. Customizable Social Feeds, Reviews, Forms, Chats, and many more widgets to increase brand credibility, engage more customers, and skyrocket your sales!
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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EmbedAlbum tool allows users to embed their Facebook, Instagram and Twitter photo albums on their blogs or websites.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Curator is a brandable social media aggregator.
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