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First-page preview of API Validation Complete Cheat Sheet

API Validation Complete Cheat Sheet

Published by SoftwareTestPilot

PDF • 10 pages • Cheat Sheet • All Levels • API Testing

Published 11 October 2026 • Updated 11 October 2026

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10-slide cheat sheet on what to validate in an API response: status codes, headers, JSON schema, values, invalid inputs, access control, pagination and a Playwright example.

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Overview

10-slide cheat sheet on what to validate in an API response: status codes, headers, JSON schema, values, invalid inputs, access control, pagination and a Playwright example. Published by SoftwareTestPilot.

What you'll learn

  • Build a complete checklist for API response validation
  • Check status codes, headers and JSON schema
  • Verify values and business rules, not just structure
  • Test invalid inputs and authentication/authorization cases
  • Write an API check with Playwright

Topics covered

  • api-testing

Table of contents

  1. What should you validate?
  2. Status codes and headers
  3. Validate the JSON schema
  4. Check values and business rules
  5. Try invalid inputs
  6. Validate access control
  7. Lists, filters and pagination
  8. A practical Playwright check
  9. Save your validation checklist

Tools covered

  • Playwright
  • Postman

Skills covered

  • API Testing

Who this resource is for

  • API 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.

API Validation Complete Cheat Sheet: common questions

1.What does API Validation Complete Cheat Sheet cover?
It covers What should you validate?, Status codes and headers, Validate the JSON schema, Check values and business rules, Try invalid inputs and more.
2.How long is this PDF and what format is it in?
It is a 10-page PDF you can read on any phone, tablet or laptop.
3.Who is this resource for?
API Tester, Automation Tester, SDET.
4.How do I get the full PDF?
It is included in the QA Notes Vault. After a one-time Vault purchase you can download it, and every other Vault resource, from this page.

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