Installation
Extract the api zip to modules directory and activate it like other modules.
Than goto api folder, there within the folder edit the .htaccess file
Options -MultiViews
RewriteEngine On
RewriteBase /sub-directories-if-any/modules/api/
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [QSA,L]
Here the dub-directories-id-any should be dealed with carefully.
And from remote,you can connect with api url
http://your_domain.com/sub-directories-if-any/modules/api after that you need to add the respective item and process it.