title: How to upload videos to Youtube with api key by V3 .NET
body: <p>I have some issues with V2 (Error code 400) so I'm trying to move to Youtube Api V3 from V2.</p>
  
  <p>I'm using C# and I've been searching how to upload videos to Youtube with api key on V3 .NET</p>
  
  <p>Where can i find an example,explanation or a document for that?</p>