How to call the POST request to send user name and password to the server?

You can call the POST request to send user name and password to the server as shown in this tutorial.

1. Start JMeter on your computer and open "\fyicenter\Facebook-Login-Test-5.jmx".

2. Add another HTTP Request sampler to "Login Test Case" with these settings:

Name: POST Login & Password
Protocol: https
Server Name: www.facebook.com
Method: POST 
Path: /login.php
Parameters: 
   Name: email / Value: joe@facebook.com
   Name: password / Value: NoOneKnows

3. Add a View Result Tree to above sampler.

4. Save the test plan as "\fyicenter\Facebook-Login-Test-6.jmx" and run it.

6. Click "View Result Tree" under "POST Login & Password". You see the "POST Login & Password" test sampler executed ok.

7. View the "POST Login & Password" response data in a Web browser, you see an error on the returning page: "Cookies Required".

See the next tutorial on how to manage cookies.

⇒ HTTP Cookie Manager for Web Testing

⇐ Call Login Page with Extracted URL

⇑ Testing Web Application with JMeter

⇑⇑ Apache JMeter Tutorials