Ensuring the quality and reliability of backend services through API testing is as crucial as testing the user interface. APIs act as the backbone for data exchange between different components and systems. Without robust API tests, defects can propagate unnoticed, leading to faulty features and unhappy users.
Playwright, widely acclaimed as a next-generation browser automation framework, extends its capabilities beyond UI testing to support comprehensive API testing. By leveraging Playwright for API testing, QA engineers and developers benefit from a unified framework that seamlessly integrates API and UI tests. This article explores how to effectively use Playwright for API testing—from basics to advanced techniques—while offering practical advice and real-world examples.