code: '''Endpoints  POST /v1/sources   GET /v1/sources/:id  POST /v1/sources/:id  POST /v1/customers/:id/sourcesDELETE /v1/customers/:id/sources/:id
  '''
nl: SourcesSource objects allow you to accept a variety of payment methods. They
  represent a customer's payment instrument, and can be used with the Stripe API
  just like a Card object: once chargeable, they can be charged, or can be
  attached to customers.