Get JWT TOKENS https://thingsboard.io/docs/paas/reference/rest-api/ Example https://thingsboard.cloud/api/auth/login { "username" : "cherrychance@naver.com", "password" : "" } RESULT : { "token": "eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJjaGVycnljaGFuY2VAbmF2ZXIuY29tIiwic2NvcGVzIjpbIlRFTkFOVF9BRE1JTiJdLCJ1c2VySWQiOiJiZThmMWM3MC0wZGUzLTExZWMtODRiMi0wNTNiMTAwNjM5NDEiLCJmaXJzdE5hbWUiOiJaRVJPV0lOIiwiZW5hYmxl..