no data via post post json curl code example
Example 1: curl post json
curl -X POST -H "Content-Type: application/json" \
-d '{"username":"abc","password":"abc"}' \
https://api.example.com/v2/login
Example 2: post json array data curl
curl -H 'Content-Type: application/json' -H 'Accept: application/json' -X PUT -d '{"tags":["tag1","tag2"],"question":"Which band?","answers":[{"id":"a0","answer":"Answer1"},{"id":"a1","answer":"answer2"}]}' http://example.com/service`