API Testing Complete Notes

HTTP, REST, status codes, Postman workflows & automation in one visual guide

API Testing Complete Notes is a 22-page api testing resource compiled by practising QA engineers. HTTP, REST, status codes, Postman workflows & automation in one visual guide. Every page is previewable before you request access, so you can judge the depth, formatting and examples yourself instead of relying on a description.

Pages: 22
Compiled by: SoftwareTestPilot editorial team
Reviewed by: Priyanka G.
Last updated: 2 September 2026

Contents summary

HTTP methods & status codes
REST API fundamentals
Postman collections & environments
API automation with scripts
API testing interview questions

Who this is for

• Manual testers adding API coverage to their skill set
• Automation engineers writing contract and integration checks
• Testers preparing for API-heavy interview rounds

What you will be able to do

• Design request/response test cases beyond happy-path status codes
• Validate auth, headers, schemas and error handling systematically
• Automate API regression checks and wire them into a pipeline

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