Sort by fields. Example: sort=next_payment_date:asc,created_at:desc

Return only plans linked to this payment request. Combine with status=active to check whether an invoice already has a running plan.

Return only plans in this status. A plan whose scheduled installment failed to charge is paused. A plan that was cancelled and will collect nothing further is cancelled; read cancel_reason for why.

Return only plans belonging to this matter.

Return only plans belonging to matters of this client. Required when using a Client Token, and must match the client associated with your authentication token.

Return only plans charging this kind of payment method (e.g., "card").

Return only plans charging this payment method. Combine with status=active to check whether a card is still in use before removing it.