
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.

ExamOnline.in
Visual CertExam Suite
EasyTestMaker
Testpress
Cloud Assess
G1 Test Simulator
Nexam
ExamBuilder provides online testing in the cloud with a strong focus on reporting. Sign up for a 30 day free trial
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | postaldatapi.com | exambuilder.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 ExamBuilder 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
No analysis of ExamBuilder yet.
Walkthroughs and reviews on video.
PostalDataPI Now Returns 18 Fields Per Postal Code — for 240+ Countries
More videos
Sample Test - ExamBuilder
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PostalDataPI and ExamBuilder. For example, how are they different and which one is better?
When comparing PostalDataPI and ExamBuilder, 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.
Compare Postio.co.uk to PostalDataPI or ExamBuilder:

Examonline is a complete online exam management software system
Compare ExamOnline.in to PostalDataPI or ExamBuilder:

We help businesses improve UX and data quality with a cutting edge address validation service.
Compare Ideal postcodes to PostalDataPI or ExamBuilder:

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.
Compare Visual CertExam Suite to PostalDataPI or ExamBuilder:

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 ExamBuilder:

EasyTestMaker is an online test generator to help you create and manage your tests!
Compare EasyTestMaker to PostalDataPI or ExamBuilder: