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

SmartMedia Pro
CSE Classroom Manager
LearnZillion
DyKnow Cloud
VSware.ie
CourseCruiser
Ab Tutor
Blinklearning personalizes education, providing teachers tools to create educational material adapted to the individual learning needs of students.

Which is more popular?
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 | blinklearning.com |
| 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 Blinklearning yet.
What each product offers, as listed by its team.

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

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Smartmedia Pro Classroom Management Software allows remote-control of classrooms and virtual classroom management.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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LearnZillion champions teachers and provides schools and districts with an effective bridge to the common core.
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