1. Install Postman
Download Postman from the official website and install it on your machine.
https://www.postman.com/downloads/
2. Create a New Request
Open Postman → Click New → Select Request. Choose HTTP method (GET, POST, PUT, DELETE) and enter the API URL.
GET https://jsonplaceholder.typicode.com/posts/1
3. Add Headers & Body
For POST/PUT requests, switch to the Body tab, choose raw → JSON and paste your payload.
{
"title": "foo",
"body": "bar",
"userId": 1
}
4. Send Request & View Response
Click Send and Postman will display the response body, status code, and time.
5. Save to Collection
Group related requests into Collections for easier testing and sharing with teammates.