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PAHave you used Postman? 📮
This tool helps you with testing your API's without writing a single line of Code
Follow @the.ai_kid for more Tech Videos
#api #developer #website #postman #testing
@parasmadan.in
#Postman Api Security Testing
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TOSAVE this post for later! 💾
@getpostman makes testing APIs so much easier by enabling you to generate example data for your API requests directly inside of Postman! 👨🚀
No more manually changing API configurations! 💻
@tom.developer
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SALearn API testing for free!
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ABDay 39 – API Testing 😱 | Postman Hack Explained
#Day39
#CyberSecurity
#EthicalHacking
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COPostman, explained by cats. #cat #code #postman #testing #software
@coding.kitty
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BLDay 3/31-365 follow for more such content.
.
If an API works in Postman but fails in the browser, it’s usually due to environment differences (headers, CORS, auth, cookies, etc.)
.
✅ If API works in Postman but fails in Browser:
1️⃣ CORS issue (Most common)
Browser blocks cross-origin requests, Postman doesn’t. Backend must allow frontend origin.
2️⃣ Preflight (OPTIONS) not handled
Browser sends an OPTIONS request first. If server doesn’t allow it → request fails.
3️⃣ Missing Headers
Authorization, Content-Type, or custom headers may not be sent from frontend properly.
4️⃣ Authentication issue
Token or cookies may not be attached in browser request.
5️⃣ HTTPS vs HTTP (Mixed Content)
Browser blocks HTTP APIs when frontend is running on HTTPS.
6️⃣ CSRF Protection
Backend may require CSRF token for browser requests.
7️⃣ Cookie / SameSite policy
Browser enforces cookie security rules, Postman doesn’t.
8️⃣ Wrong API URL / Environment
Frontend may be pointing to different environment.
.
🔍 How I debug:
Open Browser DevTools → Network tab → compare request with Postman → identify difference → fix backend or frontend config.
.
#fyp #tech #explore #viral #trending
@blackcask_
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DEAPI testing & Postman
#devtown #coding #backend #javascript #api #postman #fullstack #datascience #meme
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RA🚀 What is Postman? Simplest Explanation Ever!
😕 Confused about Postman in API testing?
This reel will make you understand Postman tool 💻,
why developers love it ❤️,
and how it makes API testing super easy! ⚡
🛒 Imagine you have to go to a shop again and again to place an order.
Tiring right? 😩
Instead, you just send your list to a delivery boy 🏃♂️📦
and he brings everything for you.
That delivery boy = Postman in software!
With Postman, developers can:
✅ Send API requests with one click
✅ Add headers, parameters & authentication easily
✅ Get instant response without writing code every time
No need to build a full app just to test APIs.
Postman makes API testing fast, safe and repeatable! 🔥
Whether you are learning Web Development, Backend, REST APIs, Node.js, Django, Flask, or Spring Boot –
Postman is a must‑have tool in your tech journey! 🚀
💾 Save this reel and share it with your coding friends.
🤔 Want a simple explanation for GitHub, Docker, DNS, JSON, VS Code Extensions?
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QA🚀API Testing Important question ✅
Authenication V/s Authorization
✅Follow @qa_automation_test
[api testing, api, rest api, API, Rest Assured, Postman, Software Testing, QA Testing]
@qa_automation_test
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SHMawa, API testing nerchukovadam ippudu optional kadhu, mandatory! Ee 1-page cheat sheet tho start chey. 🚀
Comment APIFREE
APITesting, SoftwareTesting, ManualToAutomation, CareerGrowth, Postman
@shamshutalks
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COBye bye Postman 👋🏻 Hello HTTPie 👀
#developer #webdev #webdevelopment #webdeveloper #frontend #frontenddeveloper #frontenddevelopment #backend #backenddeveloper #backenddevelopment #reactjs #reactjsdeveloper #reactdeveloper #fullstack #fullstackdeveloper #fullstackwebdeveloper
@codinginflow
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COThis is a very common real-world backend interview question.
API works in Postman but not in the browser — why?
1️⃣ CORS restriction
Browsers enforce cross-origin rules.
Postman does not.
2️⃣ Missing headers
Auth tokens, cookies, or custom headers
may not be sent automatically by the browser.
3️⃣ Different HTTP methods
Browser may send preflight OPTIONS request
before the actual call.
4️⃣ Session / cookie issues
Cookies might be blocked, expired,
or not allowed across domains.
5️⃣ HTTPS / security policies
Mixed content or certificate problems
can stop browser requests.
⸻
🎯 Interview takeaway
If it works in Postman but fails in browser →
suspect CORS, headers, or cookies.
Browser has rules.
Postman doesn’t.
{ BackendEngineering, RESTAPI, Debugging, Security, SystemDesign, InterviewPrep }
#BackendEngineering
#RESTAPI
#Debugging
#SystemDesign
#TechExplained
@codemeetstech
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