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What Is API Testing?

API testing involves verifying the functionality, performance, and security of an API to ensure it works as intended.

Related terms: API, API security, functional testing, regression testing, web UI testing

API Testing: Examples in Context

QA engineers design test cases to verify the functionality and reliability of a RESTful API used for a mobile app.

A software team performs API testing to check a cloud-based API service’s data integrity and response times.