Instagram is widely used, with literally millions of people constantly uploading pictures. It makes sense, with such a large user base, to create an API. Today we’ll be looking into how to use it. Authentication ... The first thing you need to do is to register as a developer with Instagram. You’ll need to register your application name, a description, your website and a redirect URL. After you’ve done this you’ll receive your Client ID and Client Secret, but this is where it gets a little tricky;...