HTTP Methods (GET, POST, PUT, DELETE) & Parameters
Common HTTP Methods
| Method | Purpose |
|---|---|
| GET | Retrieve data from a server without modifying it |
| POST | Send new data to be created on the server |
| PUT | Update existing data on the server |
| DELETE | Remove specified data from the server |
Working with Parameters
Parameters allow you to pass additional data with a request, such as filtering results or specifying an identifier, and are commonly added directly in the URL or through the dedicated Params tab in Postman.
Types of Parameters
| Type | Description |
|---|---|
| Query Parameters | Appended to the URL after a "?", e.g. ?id=123 |
| Path Parameters | Embedded directly in the URL path, e.g. /users/123 |
| Header Parameters | Passed within the request headers |
With a solid grasp of HTTP methods and parameters, you're ready to start organizing your requests into collections.
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