{{base_url}}/token

{
  "grant_type": "authorization_code",
  "code": "clw4xf8gw0001vchi0mglirjb",
  "redirect_uri": "http://localhost:8080/callback",
  "client_id": "Fiber",
  "client_secret": "clw4wb2mk0000wshijgrcqil6"
}