
Canny.io
Freshdesk
Intercom
tawk.to
UseResponse
LiveAgent
Zendesk
UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.
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

Which is more popular?
Based on our record, UserVoice seems to be more popular. It has been mentioned 8 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 | uservoice.com | zip-codes.com |
| Company | Startup from the United States | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of UserVoice yet.
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...
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
UserVoice is recommended for medium to large-sized businesses, product managers, customer experience teams, and any organization looking to foster a more interactive relationship with their customer base to drive product improvements. It suits industries where customer feedback is a critical component of growth and innovation, such as technology, software development, and digital services.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
UserVoice Review
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using UserVoice and ZIP Code API. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

UserVoice is a Canny.io alternative that dives deeper into customer feedback. While Canny offers feedback based on upvoting, UserVoice goes further by collecting feedback from multiple avenues including email,...
UserVoice is a customer feedback management tool that helps you collect, organize and prioritize all of your feedback in one place. UserVoice is the most complete and most popular tool for collecting feedback from...
For optimal user experience, your customer should not sense they are leaving your website and using another platform for feedback. The look and feel of the feedback platform must be customizable to match your design....
We have no reviews of ZIP Code API yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

I have sent them some user stories, complete with storyboard images. I am not a beta participant though. I suggested that it would be helpful if they rolled out something like UserVoice's Feedback Manager, so there is transparency to... Source: almost 4 years ago
- Collecting customer's feature requests: This is a tough one, I am using https://uservoice.com/ but I don't like it that much. I am searching for a self-hosted alternative to https://canny.io/. - Source: Hacker News / over 4 years ago
I think that RM should consider a solution such as UserVoice which will let the user community vote on what critical bug fixes or new features we feel are most important. Not only can a user upvote a feature request or critical fix, but... Source: over 4 years ago
Tracking ZIP Code API since May 2026.
When comparing UserVoice and ZIP Code API, you can also consider the following products.

Canny helps you collect and organize feature requests to better understand customer needs and prioritize your roadmap.
Compare Canny.io to UserVoice or ZIP Code API:

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to UserVoice or ZIP Code API:

Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Compare Freshdesk to UserVoice or ZIP Code API:

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

Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Compare Intercom to UserVoice or ZIP Code API:

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