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

Walls.io
Juicer
Elfsight
Curator.io
EmbedSocial
Stackla
Curalate
Taggbox helps brands in collecting social feeds, reviews, and user-generated content to curate and display them across websites, digital displays, and marketing touchpoints in an engaging and shoppable manner. Helping brands build trust & conversions
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 | taggbox.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | Startup from the United States · 100 - 249 employees |
| 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...
Taggbox is a social media aggregation and UGC platform that helps brands collect, curate, and display social feeds, customer reviews, and user-generated content across websites, digital displays, eCommerce stores, and marketing touchpoints. Designed to power engaging social experiences, Taggbox...
What each product offers, as listed by its team.

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
Tagbox is recommended for marketers, event organizers, e-commerce businesses, and social media managers who want to integrate user-generated content into their digital strategy. It is particularly beneficial for businesses looking to increase engagement, enhance brand credibility, and showcase authentic customer interactions.
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Taggbox: User-generated content
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Taggbox. For example, how are they different and which one is better?
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Taggbox is a popular UGC and social media wall platform that enables businesses to collect, curate, and display user-generated content from multiple social platforms on websites and digital screens. It is considered a...
With an easy-to-use interface, Tagbox is a one-stop social media aggregator tool that helps the social story of a brand. Tagbox collects valuable content like UGC, visuals, reviews, and influencer collaborations, from...
When comparing ZIP Code API and Taggbox, 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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Walls.io is an all-in-one audience engagement solution that allows brands to collect, curate, and display user-generated content in an easy-to-customize feed that can be used on displays, websites, intranets, or apps.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Juicer provides a solution to aggregate brands' hashtag and social media posts into a single social media feed on their website.
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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 Taggbox:

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!
Compare Elfsight to ZIP Code API or Taggbox: