Rasa RESTful API calls

One of my requirement is Parse a message with the trained RASA nlu model.
1) Train a Rasa model using rasa train
2) Start a Rasa server with rasa run --enable-api
3) Parse a message by running
curl -X POST http://52d9691d.ngrok.io/model/parse -H 'Content-Type: application/json' -d '{"text":"Your text"}'

Used ngrok and Postman