Modern QA2026HTTP Fundamentals — tiles
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Atlas › 12 Programming for QA › HTTP Fundamentals☰ Read as one page

HTTP Fundamentals

8.1OverviewEvery API test, every browser automation step, and every network-level debugging session depends on understanding HTTP. This is not theory…37 words8.2HTTP MethodsAn idempotent request produces the same result whether you send it once or ten times. This matters for retry logic and test reliability:182 words8.3HTTP Status Codes260 words8.4HTTP HeadersHeaders carry metadata about the request and response. Several headers are critical for testing.153 words8.5The Request/Response Cycle1. Status code: Did the server accept/reject the request correctly? 2. Response headers: Are security headers present? Is the content type…60 words8.6Query Parameters vs Request Body64 words8.7Content Types57 words8.8Practical Exercise1. Use curl or requests to make GET, POST, PUT, and DELETE requests to a public API (e.g., JSONPlaceholder) 2. Inspect response headers for…69 words8.9Key Takeaways- Know all HTTP methods and their idempotency characteristics - Test both success and error status codes (especially 400, 401, 403, 404…57 words