
Public API
APIsList
API List
Open Data Inception
PublicAPIs
Search the APIs and web services that national open data portals list, one country at a time: Korea, Japan, the US, France, Germany, the UK, Taiwan, Canada, Australia and Singapore. Lists are refreshed weekly.

Exam.net
StudySpaces is a white-label tutoring and test prep platform with built-in SAT, ACT, etc. curriculum, auto-graded mock exams, and a branded student portal.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | govapiatlas.com | studyspaces.com |
| Pricing | — | |
| Listed in |
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using GovAPI Atlas and StudySpaces. For example, how are they different and which one is better?
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Discover, compare, and integrate public APIs using real-time health monitoring, OpenAPI documentation, and live availability signals.
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A platform for creating and conducting exams and assessments.
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The APIsList is the directory for all the public APIs compiled from different open sources and enhanced its data with the APIsList parsing engine.
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A collective list of APIs. Build something.
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2700+ Open data portals around the World
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Explore the largest API directory in the galaxy
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