
Postio.co.uk
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.

Kahoot!
Sli.do
Poll Everywhere
AhaSlides
Wooclap
Quizizz
Classtime
a web-based polling tool for workshops, conferences & events

Which is more popular?
Based on our record, Mentimeter seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | postaldatapi.com | mentimeter.com |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | Startup from Sweden · 100 - 249 employees · 2014 |
| Listed in |
In their own words, as submitted to SaaSHub.


PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate — $0.000028 per query with no tiers or subscriptions. What you get back: Up to 18 metadata fields per postal code — city, state/region, coordinates,...
No description of Mentimeter yet.
What each product offers, as listed by its team.


Possible disadvantages
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.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
5 Ways to use Mentimeter to Engage and Interact with Students
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PostalDataPI and Mentimeter. 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 PostalDataPI yet. Be the first one to post
The plans are not the same. Slido Professional has moderation, branding and multiple rooms, among other things, and Mentimeter’s conference pack has Excel export and editing together with your team. klapp has no...
Mentimeter is a unique option in that it emphasizes the use of quizzes within presentations. One particularly cool feature is the live quiz, which lets you create some competition and get your audience more involved....
Turn your presentations into interactive experiences using Mentimeter. Generate word clouds based on your audience’s impressions, conduct quiz competitions, or ask your audience to vote with this live poll tool that...
Recommendations tracked on public social media and blogs since March 2021.


Tracking PostalDataPI since Apr 2026.
5 minute breaks, find opportunities to incorporate interactive activities: mentimeter.com, padlet, jamboard, think-pair-share. Source: almost 5 years ago
Nobody else knows you put that answer. Can they trace you? Can they not? The website is mentimeter.com. Source: over 5 years ago
When comparing PostalDataPI and Mentimeter, you can also consider the following products.

Fast UK address, email & phone validation APIs for developers. Official Royal Mail PAF data. Pay as you go, 100 free lookups.
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Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.
Compare Sli.do to PostalDataPI or Mentimeter:

Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
Compare Fetchify to PostalDataPI or Mentimeter:

Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Compare Poll Everywhere to PostalDataPI or Mentimeter: