Wordpress installed in subdirectory

Hello,
I've got wordpress installed in a subdirectory, but the site responds to a top level domain request.
So - if you go to http://domain.com - the WP core request is http://domain.com/subdirectory/wp

or - in wp terms ( settings -> general) :
wordpress address: http://domain.com/subdirectory/wp
site address: http://domain.com

When I try to connect to Eventbrite through Keyring it uses the redirect_uri:
http://domain.com/subdirectory/wp/wp-admin/tools.php/etc/etc/etc
- which causes a connection error:
> The application you're trying to use has made an invalid request to Eventbrite. Please contact the application developer.

If I alter the address in the address bar by removing the "/subdirectory" - from the redirect url:
http://domain.com/wp/wp-admin/tools.php/etc/etc/etc

The connection works and allows me to connect Eventbrite - except -
When I then click on "Allow" the connection - the redirect is incorrect - I need to put the /subdirectory back into the address in the address bar.

This all works. When test the connection through Keyring I get the "connection appears to be working", and my Eventbrite Wordpress Page shows my Eventbrite event. But - its also showing an iframe with

> Whoops, the page or event you are looking for was not found.

So - is this "Whoops " error related to the subdomain issue or could be something else more rudimentary?

Will my address bar editing affect anything down the line?

Do you have subdomains in the pipeline?
Thanks