Changes to Validate if the given authority is reachable from the server

the response's body type changed from boolean to integer, and format from no format to int32 for status 200 (media type: text/plain)

the response's body type changed from boolean to integer, and format from no format to int32 for status 200 (media type: application/json)

the response's body type changed from boolean to integer, and format from no format to int32 for status 200 (media type: text/json)

endpoint added