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

Render UIKit
Heroku
Railway
Netlify
Vercel
Dokploy
CapRover
An open-source, hassle-free, self-hostable Heroku & Netlify alternative.
Which is more popular?
Based on our record, Coolify seems to be more popular. It has been mentioned 102 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | coolify.io |
| 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 Coolify 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.
MIRACLE Cooling Device for Las Vegas Heat? Torras Coolify Portable Air Conditioner Review
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 Coolify. 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 Appbox over Coolify when you do not want to operate a PaaS at all. Choose Coolify when owning the server, deployment workflow, Docker layer, and automation surface is the reason you are choosing the tool.
Coolify is the self-hostable Railway-style option when you want Git/Docker deployments on servers you control.
The main advantage of self-hosting with Coolify is control. You have complete ownership over the servers, bandwidth, and configuration. This makes it easy to optimize hosting to suit your application's specific needs....
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Infisical is an open-source secrets manager. Coolify is a self-hosted PaaS that runs Docker workloads behind a Traefik reverse proxy with automatic TLS. This guide puts them together: a production-style Infisical on Coolify, with the... - Source: dev.to / 8 days ago
Those jobs already have good tools: Coolify or Dokploy for Git deploys and containers, Ansible for provisioning, and plain SSH for the rest. Keeping the scope small is what keeps the hub one binary. - Source: dev.to / 9 days ago
Today I run 7 applications, 5 databases and an observability stack on a single VPS, managed by Coolify. From Next.js and Node.js to Python services and self-hosted infrastructure, I deploy different stacks without depending on a... - Source: dev.to / 14 days ago
When comparing ZIP Code API and Coolify, 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 Coolify:

React-inspired Swift library for writing UIKit UIs
Compare Render UIKit to ZIP Code API or Coolify:

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

Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
Compare Heroku to ZIP Code API or Coolify:

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

Made for any language, for projects big and small.
Compare Railway to ZIP Code API or Coolify: