
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.

ExamBuilder
BCBA Mock Exam
Examination Online
Exam.net
Quizgecko
ExamBoot
ClassMarker
Exam Testing is a powerful online exam software that helps you create high-quality exams, tests...

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | postaldatapi.com | examtesting.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,...
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PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
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When comparing PostalDataPI and Exam Testing, you can also consider the following products.

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We help businesses improve UX and data quality with a cutting edge address validation service.
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Practice BCBA®-style questions with clear explanations—start with a free mock exam on bcbamockexam.com.
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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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ExaminationOnline is ideal for any organization that needs a custom & flexible learning management & training solution.
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