
EasyTestMaker
ExamBuilder
ExamOnline.in
Cloud Assess
Nexam
Testpress
G1 Test Simulator
Visual CertExam Suite is a web-based test preparation software solution presented by Avanset that offers you various customizable formats to make the papers, tests, quizzes, and exams quickly.
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

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Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | avanset.com | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Visual CertExam Suite 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...
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Visual CertExam Suite 3.0.1 | How To Open VCE Files | Visual Cert Exam Manager
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Examonline is a complete online exam management software system
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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