JSON through Services View- Authenticating through Parameters when accessing JSON through external app
There exit many ways of authentication through services module.

The easiest is to use session authentication by authenticating the user using his username &amp; password, Then let the app send the cookie header in each request with the session id like COOKIE: SESS_ID:SESS_name.

Or use that module that seems matching your approach a lot services_basic_auth

Another way is to authenticate the app itself by letting the app get an access token using a secret app id and password created on the website.   using oauth2 

Examples for auth methods