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

Kissflow
Pipefy
Process Street
ifttt
Apache Airflow
Microsoft Power Automate
Make.com
Cloud-based digital workflow management automation platform

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | nintex.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from the United States · 250 - 499 employees · 2006 |
| 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 Nintex 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
Walkthroughs and reviews on video.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
Streamline Document Review & Approval Processes with Nintex for Office 365
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 Nintex. 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
“Nintex generates papers, forms, and maps, among other elements that allow for seamless communication and workflow between departments and teams by synchronizing and conducting activities in cooperation on a single...
Any business process that requires approvals, particularly if those approvals change, is well suited to manage using the Nintex Platform. Nintex also includes a robotic process automation tool that enables the...
Nintex will help eliminate the manual and repetitive work with automated workflows and capture information faster in the proper manner. It can monitor the processes to identify and quickly address the issues and point...
When comparing ZIP Code API and Nintex, 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 Nintex:

Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Compare Kissflow to ZIP Code API or Nintex:

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

Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Compare Pipefy to ZIP Code API or Nintex:

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

Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.
Compare Process Street to ZIP Code API or Nintex: