Back to All Questions
Question 38 of 100
Intermediate API Testing
Intermediate
Q38: How Do You Create a Postman Collection? Best Practices.
📂Core Concept
How Do You Create a Postman Collection? Best Practices.
Key Takeaways & Architecture Summary
- ✓Groups related API requests together into structured folders.
- ✓Enables collection-level configuration for authentication, pre-scripts, and tests.
- ✓Simplifies sharing, documentation, and continuous automation runs.
Direct Answer Summary
A Postman Collection is created by clicking the "+" icon in the Collections tab. Best practices include organizing requests into logical folders, applying authentication at the collection root to inherit credentials automatically across all requests, and configuring collection-level scripts to run before and after every request.
⚠️ Senior Engineering Warning (Red Flag)
Avoid creating a giant collection with hundreds of disorganized requests. Use structured subfolders categorized by resource domains (e.g. Auth, Users, Checkout) to ensure the suite remains maintainable.
💡 STAR Architectural Explanation & Pro Tip
Folder structures in collections can model the user flows. The Collection Runner executes folder requests sequentially, which is ideal for testing complex checkout or login pipelines.
RestAssuredTest.java
Rest-Assured + Java// Postman collection JSON skeleton (excerpt)
{
"info": {
"name": "User Management Suite",
"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
},
"item": []
}