client_id as the username and client_secret as a password.
For example: Authorization: Basic <base64 encoded client_id:client_secret>Authorizations
Please use base64 encoded client_id:client_secret
Body
application/json
The URI to redirect to after the Connect flow is completed
The number of minutes until the session expires (defaults to 43,200, which is 30 days)
The products to request access to (optional for reauthentication)
The ID of the existing connection to reauthenticate