Hello, when I try this app, I receive the error "please check input". 

This is my reques with Curl:

curl --request POST --url https://sales-tax-calculator.p.rapidapi.com/rates --header "content-type: application/json" --header "x-rapidapi-host: sales-tax-calculator.p.rapidapi.com" --header "x-rapidapi-key: ****" --data "{'city': 'New York','state': 'NY','street': '48 E 12th St','zip': '10003'}"

This is the response:

{“message”:“please check input”}

Can you help me?

Thank you