API TESTING CHEAT SHEET | QA SDET

Web Reference: WELCOME to American Proficiency Institute At American Proficiency Institute every aspect of your proficiency testing is controlled by you -- how you choose to receive your test kits, how you report results, and whether to review test results using traditional reports or using graphical analysis. Throughout the entire process, you have the backing of the most advanced proficiency testing ... An API is often made up of different parts which act as tools or services that are available to the programmer. A program or a programmer that uses one of these parts is said to call that portion of the API. The calls that make up the API are also known as subroutines, methods, requests, or endpoints. Apr 15, 2025 · What Are APIs? A Beginner's Guide (with examples) # api # programming # webdev In today’s tech-driven world, you’ve probably heard the term API thrown around in conversations about web development, apps, or software. But what exactly is an API, and why is it so important?

YouTube Excerpt: API Rqsts Use consistent and simple URIs. Use plural for resources and noun-based naming. Get all books: GET: /v1/books/ Get specific book: GET: /v1/books/1 Status Codes 1xx: Informational 2xx: Successful 200 OK 201 Created 202 Accepted 203 Non-authoritative 3xx: Redirected 4xx: Client errors 400 Bad Request 401 Unauthorized 402 Payment Required 403 Forbidden 404 Not Found 405 Method Not Allowed 429 Too Many Requests 5xx: Server errors 500 Internal Server Error 502 Bad Gateway 503 Service Unavailable 504 Gateway Timeout Authentication/Authorization Basic Auth: base64 encoded username:password Bearer Token: e.g., Bearer someCrypticString API Keys: Often passed as query strings (not secure) Methods GET – Retrieve a resource PUT – Update an object/file/block POST – Create a resource PATCH – Update/modify DELETE – Remove it API Test Actions Verify status codes Verify payloads Validate response schema Validate application state Validate required fields Check for duplicates Test with valid/invalid tokens Test with timeouts Test network interruptions API Testing Tools Postman Swagger API Dog Bruno RestAssured Requests

API Rqsts Use consistent and simple URIs. Use plural for resources and noun-based naming. Get all books: GET: /v1/books/ Get specific book:...

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