
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.

SmartMedia Pro
CSE Classroom Manager
DyKnow Cloud
VSware.ie
CourseCruiser
NetSupport School
Ab Tutor
LearnZillion champions teachers and provides schools and districts with an effective bridge to the common core.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | postaldatapi.com | ilclassroom.com |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| 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 LearnZillion yet.
What each product offers, as listed by its team.


Possible disadvantages
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An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
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Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
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Should You Use LearnZillion?
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How often each product is chosen within a category, 0–100% relative to the other.


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When comparing PostalDataPI and LearnZillion, 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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Smartmedia Pro Classroom Management Software allows remote-control of classrooms and virtual classroom management.
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We help businesses improve UX and data quality with a cutting edge address validation service.
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Technology for Education
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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.
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DyKnow Cloud shows teachers how students use their time and helps teachers keep devices useful for learning.
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