API Testing: Complete Notes (Updated)

Overview

13-page API testing notes: HTTP methods and idempotency, status codes and errors, risk-based test design, validation beyond the body, auth and security, pagination, CRUD and async jobs, Postman and Playwright. Published by SoftwareTestPilot.

Table of contents

1. API Testing: Understand the Conversation
2. HTTP Methods & Idempotency
3. Status Codes, Headers & Error Responses
4. Design API Tests from Risks & Boundaries
5. Validate More Than the Response Body
6. Authentication, Authorization & API Security
7. Parameters, Filters, Sorting & Pagination
8. CRUD Workflows, Uploads & Async Jobs
9. Reliability, Concurrency & Performance
10. Postman: From Requests to Assertions
11. Playwright API Automation in TypeScript
12. CI, Debugging & Interview Revision

Who this resource is for

• Manual Tester
• Automation Tester
• SDET

Format and what you get

• A downloadable PDF you can read on phone or laptop.
• Included in the QA Notes Vault: one payment unlocks every note in the Vault, with lifetime access to it.
• Download after signing in with the account that paid. Refunds follow our refund policy.

Free learning on this topic

• API testing interview questions
• Postman questions with worked examples
• Refund policy