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

Lucky Carrot
Insight Employee Engagement
Happy Mood Score
Coworker Coffee
Culturely
Glint
OldRobo
Employee engagement platform made for creative teams

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | kuchahr.com |
| Company | Startup from the United States · 2026 | — |
| 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...
No description of Kucha 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
Kucha is recommended for small to medium-sized businesses seeking an all-in-one HR solution. It's particularly beneficial for companies looking to streamline their HR processes without investing in multiple disparate systems.
Walkthroughs and reviews on video.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
How to Make a Pecha Kucha
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 Kucha. For example, how are they different and which one is better?
When comparing ZIP Code API and Kucha, 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 Kucha:

Make your employees super engaged, recognized, & appreciated
Compare Lucky Carrot to ZIP Code API or Kucha:

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

Insights to help you engage every team member 📈
Compare Insight Employee Engagement to ZIP Code API or Kucha:

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

Employee feedback and engagement software. For companies with remote employees, distributed teams or digital nomads.
Compare Happy Mood Score to ZIP Code API or Kucha: