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

Asana
Basecamp
Wrike
Teamwork
Teamgantt
Smartsheet
monday.com
Flexible project management web application

Which is more popular?
Based on our record, Redmine seems to be more popular. It has been mentioned 7 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 | redmine.org |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from Japan |
| 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 Redmine 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.
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Redmine Tutorial
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Redmine. 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
Redmine is an open-source tool which works cross-platform along with multilanguage support. It gives registered users the ability to create and manage their own projects meaning once you have registered, you are...
Redmine is another important JIRA open source alternative tool. The basic version of this tool is open-source, and it can work on any machine. It is one of the best jira competitors that supports Ruby, and could take...
Redmine is a must-have tool for every project manager. As a project manager, you can use Redmine to keep every employee on track and give their peak performance, every time. Pricing: FREE TRIAL – Available FREE â Free
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
I’m using redmine. It comes with a learning curve, but has almost endless possibilities. Source: almost 3 years ago
Redmine. Its free and has nice features like LDAP authentication, import emails as tickets, etc. Source: over 3 years ago
Planner could work and integrate well with the O365 suite. We use Redmine. It’s low cost/free and is great for small or medium size projects. Source: over 4 years ago
When comparing ZIP Code API and Redmine, 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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Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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A simple and elegant project management system.
Compare Basecamp to ZIP Code API or Redmine:

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

Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.
Compare Wrike to ZIP Code API or Redmine: