Hi Yoshimune Asano,
Use Postman (REST Tool) and import the URL below with the Mendix deployment collection. It will give you comfortable way to test the API’s
https://www.postman.com/collections/1946599fd1a8fdd81d7d
Look at this blog for some hints: https://medium.com/mendix/quick-and-easy-deployments-on-mendix-cloud-using-postman-d2394fd94ced
Go Make It