API (application programming interface) testing is a type of software testing that performs verification directly at the API level. It is a part of integration testing that determines whether the APIs meet the testers’ expectations of functionality, reliability, performance, and security. Unlike UI testing, API testing is performed at the message layer without GUI.

A few weeks ago we brought you a rundown of our five favourite automation testing tools for Android, and the response was overwhelming. So we’ve written a follow-up article, this time for iOS developers. The testing challenges vary slightly for Android and iOS testing. For one thing there are far more Android models out there than iOS, which means lots more potential bugs. Also, the two variants have their own default languages, which further complicates things.

Developers are a fussy bunch. We sweat on the tiniest details and every aspect of our product has to be just right. We don’t like entrusting our precious designs to anyone outside our inner circle. Yet we’re increasing delegating key quality assurance (QA) tasks to robots. The market for automated testing products is expected to be worth $20 billion by 2023 – three times as much as now.