Postman API Testing Tutorial #10 | Pre-Scripts in Postman

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Postman API Testing Tutorial #10 | Pre-Scripts in Postman

🚀 Master Pre-Scripts in Postman! 🚀
In this tutorial, we’ll explore Pre-Scripts in Postman, which allow you to dynamically set values before executing API requests. This is useful for scenarios where you need unique or dynamic parameters every time an API runs.

🔹 What You’ll Learn:
✅ What are Pre-Scripts in Postman?
✅ How to write a Pre-Script to set dynamic values
✅ Using JavaScript to generate random values
✅ Storing values in environment variables
✅ Passing dynamic values in API requests

🔗 Resources Mentioned:

🕒 Timestamps:
00:00 - Introduction to Pre-Scripts in Postman
00:12 - What are Pre-Scripts?
00:33 - Why use Pre-Scripts for API testing?
01:24 - Setting up a Postman request
02:12 - Writing a Pre-Script to generate a dynamic value
05:01 - Storing and retrieving environment variables
07:30 - Passing dynamic values in the request body
09:45 - Running the API request and verifying results
11:10 - Summary and best practices

🔥 More API Testing Tutorials:
▶️ Postman API Testing Full Playlist
▶️ Learn API Testing with Postman

💬 Have questions? Drop a comment below! Don’t forget to Like, Share, and Subscribe for more tutorials. 🚀🔔

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[TestingFunda]

😊 Hello and thank you for watching! We'd love to hear your opinions in the comments section.

[fizadastagir]

APIs not working for this site ..msg appearing

{
"message": "Error in saving passenger. Please try again"
}

can you plz suggest some other site for fake APIs that's working fine so I can practice easily.

[gayatritankar]

hello sir I have followed each step properly, why am I getting name as "Null" #testingfunda
Pre-requisite script:
pm.environment.set("Updatedname", "Gayatri" *

Body
{
"name": "{{Updatedname}}",
"job": "Tester"
}