---
title: SubscriptionInterval - Customer API
description: Defines valid subscription intervals.
api_version: 2025-07
api_name: customer
type: enum
api_type: graphql
source_url:
  html: 'https://shopify.dev/docs/api/customer/2025-07/enums/SubscriptionInterval'
  md: 'https://shopify.dev/docs/api/customer/2025-07/enums/SubscriptionInterval.md'
---

# Subscription​Interval

enum

Defines valid subscription intervals.

## Valid values

* DAY

  Represents a day interval.

* MONTH

  Represents a month interval.

* WEEK

  Represents a week interval.

* YEAR

  Represents a year interval.

***

## Fields

* [Subscription​Billing​Policy.interval](https://shopify.dev/docs/api/customer/2025-07/objects/SubscriptionBillingPolicy#field-SubscriptionBillingPolicy.fields.interval)

  OBJECT

  The billing policy of a subscription.

* [Subscription​Delivery​Policy.interval](https://shopify.dev/docs/api/customer/2025-07/objects/SubscriptionDeliveryPolicy#field-SubscriptionDeliveryPolicy.fields.interval)

  OBJECT

  The delivery policy of a subscription.

***

## Map

### Fields with this enum

* [Subscription​Billing​Policy.interval](https://shopify.dev/docs/api/customer/2025-07/objects/SubscriptionBillingPolicy#field-SubscriptionBillingPolicy.fields.interval)
* [Subscription​Delivery​Policy.interval](https://shopify.dev/docs/api/customer/2025-07/objects/SubscriptionDeliveryPolicy#field-SubscriptionDeliveryPolicy.fields.interval)