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

EmbedSocial
Tagembed
SociableKIT
Taggbox
POWr
Curator.io
OpenWidget
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!

Which is more popular?
Based on our record, Elfsight seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | elfsight.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | Startup from Russia · 2013 |
| 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...
Elfsight is a SaaS service that provides customizable & coding-free widgets for your website to help you enhance it with social feeds, reviews, forms, and other e-commerce solutions. Elfsight Apps can be embedded to any website platform: WordPress, Shopify, Squarespace, Wix, Webflow, Weebly,...
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
Walkthroughs and reviews on video.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
Elfsight Review - Honest Review and Product Demo
More videos
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Elfsight. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

We have no reviews of ZIP Code API yet. Be the first one to post
Choose Elfsight when its editor and display controls fit your requirements. Its documented options include filters, several layouts and connection through a business name, Google Maps link or Place ID. One Google...
Now you are well aware of the flaws of Elfsight and the best available alternatives for Elfsight. However, to pick a suitable tool and make a decision, it is important to look for features. To make your task easier,...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Try Elfsight apps — looks like they have a restaurant menu you could customize? Source: over 3 years ago
I've tried a elfsight.com plug-in that uses Google's search API, however, since Google doesn't parse the data from caard pages, it is effectively useless. Source: almost 4 years ago
When comparing ZIP Code API and Elfsight, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to ZIP Code API or Elfsight:

EmbedAlbum tool allows users to embed their Facebook, Instagram and Twitter photo albums on their blogs or websites.
Compare EmbedSocial to ZIP Code API or Elfsight:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or Elfsight:

Collect, Curate, Customize & Publish Social Media Content
Compare Tagembed to ZIP Code API or Elfsight:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or Elfsight:

We help people display social media content on websites since 2011.
Compare SociableKIT to ZIP Code API or Elfsight: