title: Lookup user profile based on email address - via LinkedIn API
body: <p>I would like to know if it is possible (and how if so) to find a LinkedIn profile based on email address (or phone number) via LinkedIn API. We have plan to match our clients with their LinkedIn profile if it is possible.</p>
  
  <p>I have found similar functionality here: <a href="https://www.fullcontact.com/developer/docs/person" rel="nofollow">https://www.fullcontact.com/developer/docs/person</a>,
  but this is paid service.</p>
  
  <p>I would like to get this for free via LinkedIn API.
  Thanks for advices.</p>