edia APIs. A credential object is a S3 object containing authentication related information such as
an access token or key, and a class name identifying the social media that grants authentication.
Authenticate is the first step of the Authenticate, Collect and Create
workflow.
Refer to Authenticate.mastodon, Authenticate.youtube,
Authenticate.reddit and Authenticate.web for parameters and usage."><meta property="og:image" content="https://vosonlab.github.io/vosonSML/images/logo.png"><meta property="og:imag