To create a new Linkedin application, go to https://www.linkedin.com/secure/developer?newapp
Click on the “Create Application” button.
In this page, enter the values in the required fields.
Here enter your company name, name of the application, description of app, application logo url. Select the application use from the drop down menu.
In the “Website URL”, enter your website url as given in the plugin settings page.
You will now get the Application Keys and it is given below.
Here the API key and Secret key are highlighted. Please use these values in the plugin Linkedin settings page.
In the OAuth 2.0 section you need to enter your authorized redirect url. The url is your wordpress admin url.
For example if you have installed the script in http://www.yoursite.com, the admin area is http://www.yoursite.com/wp-admin/ , the redirect URL is http://www.yoursite.com/wp-admin/admin.php
After entering the redirect URl, click on the “Add” button. If you forgot to click the add button, the redirect url won’t saved.
Now click the update button.
Next go to the “Settings” page.
The app is in “development” mode now and only the developer (you) can see the posts in linkedin. To make is live for public, please change the mode to “Live” and update the page.
Enter these values in the plugin linkedin settings page and “save and Authenticate” the app. Now you will get a confirmation like in the image and click on the “Allow Access”.
The linkedin application is now ready to use.