Apache Benchmark is a single-threaded command line tool for measuring the performance of a HTTP web server. It gives you an impression of how many requests per second your server is capable of serving.
sudo apt-get install apache2-utils.
-p POST Message
-H Message Header
-T Content Type
-c Concurrent Clients
-n Number of Requests to Run in the Test
$ ab -n200 -c100 -H "APP-TOKEN: Q977quNeXjFsNjLNlmC9MK1HuRP+fFKmwDX9KSD6Y=" \
http://test-api.aayushtuladhar.com:8080/test/start_page=0
$ ab -p body.txt -n200 -c100 -T application/json \
https://test-api.aayushtuladhar.com:8080/anotherTest