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

Pipefy
Process Street
Nintex
ProcessMaker
ifttt
Microsoft Power Automate
Make.com
Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.

Which is more popular?
Based on our record, Kissflow seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | kissflow.com |
| Pricing | — | |
| 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 Kissflow 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
No analysis of Kissflow yet.
Walkthroughs and reviews on video.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
Getting Started and Review of Kissflow - Automating Your Business Processes
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 Kissflow. 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
When all is said and done, Kissflow really delivers if you already have a business process in place that relies on paper forms and you want to digitize it. The downside is, of course, that at the end of the day you...
Do you want to have control over the procure-to-pay process but with sufficient flexibility? Kissflow lets you have that with its simple and customizable solution. For purchase requisitions, it offers fluid forms so...
Kissflow, one of the best MuleSoft competitors, is a powerful IT process automation tool that empowers your team to streamline IT operations, enhance efficiency, and drive innovation within your organization....
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Kissflow is a well-rounded tool that bridges workflow & business process management in a single operating environment. This platform takes out the pain of work tracking by introducing tools and functions that simplify much of the work... Source: over 5 years ago
When comparing ZIP Code API and Kissflow, 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 Kissflow:

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 Kissflow:

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

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 Kissflow:

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

Cloud-based digital workflow management automation platform
Compare Nintex to ZIP Code API or Kissflow: