code: '''Endpoints  POST /v1/billing_portal/sessions  POST /v1/billing_portal/configurations  POST /v1/billing_portal/configurations/:id   GET /v1/billing_portal/configurations/:id   GET /v1/billing_portal/configurations
  '''
nl: Customer PortalThe Billing customer portal is a Stripe-hosted UI for subscription and
  billing management.A portal configuration describes the functionality and features that you
  want to provide to your customers through the portal.A portal session describes the instantiation of the customer portal for
  a particular customer. By visiting the session's URL, the customer
  can manage their subscriptions and billing details. For security reasons,
  sessions are short-lived and will expire if the customer does not visit the URL.
  Create sessions on-demand when customers intend to manage their subscriptions
  and billing details.Learn more in the integration guide