Creating Test Plan in JMETER

How to create test plan in JMETER for REST API performance testing?

For REST API performance testing we have to start with Test plan in JMETER. The test Plan is where the overall settings for a test are specified. Static variables can be defined for values that are repeated throughout a test, such as server names. For example the variable “environment” could be defined as www.example.com, and the rest of the test plan could refer to it as ${environment}. This simplifies changing the name later