Automating an E-commerce API Workflow
Mapping the Workflow
A typical e-commerce API flow involves several linked steps: logging in, browsing products, adding items to a cart, and placing an order - each depending on data from the previous step.
Example Request Chain
| Step | Request | Data Passed Forward |
|---|---|---|
| 1 | POST /login | Auth token |
| 2 | GET /products | Product ID |
| 3 | POST /cart | Cart ID |
| 4 | POST /orders | Order ID (for confirmation) |
Adding Tests at Each Step
Each request can validate its own response - checking status codes, confirming the cart total is correct, or verifying the order confirmation contains the expected items.
Running the Full Flow
Using the Collection Runner or Newman, the entire chain can run automatically end-to-end, and scheduling it with a Monitor or CI/CD pipeline turns it into an ongoing regression check for the whole purchase flow.
Course Complete
This workflow ties together authentication, variables, scripting, chaining, and automation - the full set of skills covered throughout this Postman API Testing course.
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