31. Full-Stack API Testing & Hybrid API-to-UI Validation

Playwright APIRequestContext

import com.microsoft.playwright.*;
import com.microsoft.playwright.options.RequestOptions;
import static org.junit.jupiter.api.Assertions.*;
APIRequestContext request = playwright.request().newContext(
    new APIRequest.NewContextOptions().setBaseURL("https://api.targetqa.com")
);
// POST request creating a new course:
String payload = "{"title": "Playwright Java", "category": "Automation"}";
APIResponse response = request.post("/api/v1/courses",
    RequestOptions.create().setHeader("Content-Type", "application/json").setData(payload));
assertEquals(201, response.status());
assertTrue(response.text().contains("Playwright Java"));
// Clean up:
request.dispose();