--- title: SubscriptionBillingCycleInput - Customer API description: The input fields for specifying the subscription contract and selecting the associated billing cycle. api_version: 2025-10 api_name: customer type: input-object api_type: graphql source_url: html: https://shopify.dev/docs/api/customer/latest/input-objects/subscriptionbillingcycleinput md: https://shopify.dev/docs/api/customer/latest/input-objects/subscriptionbillingcycleinput.md --- # Subscription​Billing​Cycle​Input input\_object The input fields for specifying the subscription contract and selecting the associated billing cycle. ## Fields * contract​Id [ID!](https://shopify.dev/docs/api/customer/latest/scalars/ID) non-null The ID of the subscription contract associated with the billing cycle. * selector [Subscription​Billing​Cycle​Selector!](https://shopify.dev/docs/api/customer/latest/input-objects/SubscriptionBillingCycleSelector) required Selects the billing cycle by date or index. *** ## Mutations using this input * [subscription​Billing​Cycle​Skip.​billing​Cycle​Input](https://shopify.dev/docs/api/customer/latest/mutations/subscriptionBillingCycleSkip#argument-billingCycleInput) MUTATION * [subscription​Billing​Cycle​Unskip.​billing​Cycle​Input](https://shopify.dev/docs/api/customer/latest/mutations/subscriptionBillingCycleUnskip#argument-billingCycleInput) MUTATION *** ## Map ### Mutations using this input * <\~>[subscription​Billing​Cycle​Skip.billingCycleInput](https://shopify.dev/docs/api/customer/latest/mutations/subscriptionBillingCycleSkip#argument-billingCycleInput) * <\~>[subscription​Billing​Cycle​Unskip.billingCycleInput](https://shopify.dev/docs/api/customer/latest/mutations/subscriptionBillingCycleUnskip#argument-billingCycleInput)