January 2019
Intermediate to advanced
378 pages
11h 35m
English
A software application product, that we discussed in an earlier section, has various software layers such, as the user interface (UI), the business logic layer, middleware, and a database. API testing and certification primarily focuses on data integration tests on the Business layer. API testing is software testing that involves direct API testing, unlike other generic tests, which primarily involve the UI:

The preceding diagram depicts the typical layers of software, with API testing on the Business layer and the functional or UI testing on the Presentation layer.
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