Access google connections using google people API - google-api

Question

I would like to fetch all the google private connections of a user signed in from my app.
I've enabled the Google People and the Google Plus API's. I set up the credentials API key, client id & client secret. The url with which I'm trying to fetch the users connections is
https://people.googleapis.com/v1/people/me/connections?fields=connections&key=api_key&access_token=access_token
Also, I'm using the library passport-google-oauth, to get the users access_token. Is there anything that I'm missing in the above URL.
My google auth code is
// send to google to do the authentication
// profile gets us their basic information including their name
// email gets their emails
app.get('/auth/google', passport.authenticate('google', {
scope: ['profile', 'email','https://www.googleapis.com/auth/contacts.readonly', 'https://www.googleapis.com/auth/contacts']
}));
// the callback after google has authenticated the user
app.get('/auth/google/callback',
passport.authenticate('google', {
successRedirect: '/profile',
failureRedirect: '/'
}));

Answer 1

You have not mentioned what error you are getting but by looking at the url you are using I can tell you a few things.
people.connections.list access private user data. So for one you don't need to add Key that is just used for accessing public data. However having both should not result in any error message.
I have tested the request you are sending and it does work however this request requires that you have authenticated with at least one of the connections scopes.
https://www.googleapis.com/auth/contacts Requests that your app be
given read and write access to the contacts in the authenticated
user’s Google Contacts.
https://www.googleapis.com/auth/contacts.readonly Requests that your
app be given read access to the contacts in the authenticated user’s
Google Contacts.
If you have not then you will get a no access error message.
{
"error": {
"code": 403,
"message": "Request had insufficient authentication scopes.",
"status": "PERMISSION_DENIED"
}
}