send json curl post 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: curl post json
curl -d '{"key1":"value1", "key2":"value2"}' -H "Content-Type: application/json" -X POST http://localhost:3000/data