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

Firebase
AWS Amplify
Back4App
Kumulos
AppWrite
Azure Mobile Apps
Kinvey
Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.

Which is more popular?
Based on our record, Parse seems to be more popular. It has been mentioned 21 times since March 2021.
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 | parseplatform.org |
| 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 Parse 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
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Parse. 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
If you’re looking for a Firebase alternative that gives you full control and the freedom to tinker, Parse Platform is your jam. Again, it’s a popular open-source framework loved by developers who want to build custom...
Back4App is a backend-as-a-service (BaaS) platform that uses Parse Server, the open-source version of the Parse backend. It simplifies backend development and management, providing developers with a robust platform...
It is well-known for making the development process quick, easy, and simple. Using Parse, you may complete a day's worth of work in a few hours.
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Parse deserves mention primarily for its historical significance as the precursor that inspired the entire backend-as-a-service space. Founded in 2011, Parse pioneered many concepts that we now take for granted in modern BaaS platforms. - Source: dev.to / over 1 year ago
Backend as a Service (BaaS) goes back to early 2010’s with companies like Parse and Firebase. These products integrated everything a backend provides to a webapp in a single, integrated package that makes it easier to get started and... - Source: dev.to / over 2 years ago
Parse Server is a great way to quickly spin up a backend for your project. Parse is a Node based utility that sits on top of ExpressJS. - Source: dev.to / almost 4 years ago
When comparing ZIP Code API and Parse, 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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Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Compare Firebase to ZIP Code API or Parse:

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

JavaScript library for app development using cloud services
Compare AWS Amplify to ZIP Code API or Parse:

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

Low code backend to build apps faster and scale easily.
Compare Back4App to ZIP Code API or Parse: