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HomeDeveloper resourcesChangelogClover2025-09-30.clover

Removes iterations parameter for subscription schedulesBreaking changes

What’s new

We’ve removed the iterations parameter because duration replaces its functionality.

Why is this a breaking change?

We no longer support the iterations parameter for Subscription Schedules.

Impact

You must update your integration to use duration to specify the length of a subscription schedule phase in the following API endpoints:

  • Subscription Schedules Create
  • Subscription Schedules Update
  • Create an invoice preview

Using iterations in these endpoints now returns an error.

Before
After
Command Line
cURL
Stripe CLI
Ruby
Python
PHP
Java
Node.js
Go
.NET
No results
curl https://api.stripe.com/v1/subscription_schedules \ -u "
sk_test_BQokikJOvBiI2HlWgH4olfQ2
:"
\ -H "Stripe-Version: 2025-08-27.basil" \ -d customer={{CUSTOMER_ID}} \ -d start_date=now \ -d "phases[0][items][0][price]"={{PRICE_PREMIUM} \ -d "phases[0][items][0][quantity]"=1 \ -d "phases[0][iterations]"=3 \ -d end_behavior=release
Command Line
cURL
Stripe CLI
Ruby
Python
PHP
Java
Node.js
Go
.NET
No results
curl https://api.stripe.com/v1/subscription_schedules \ -u "
sk_test_BQokikJOvBiI2HlWgH4olfQ2
:"
\ -d customer={{CUSTOMER_ID}} \ -d start_date=now \ -d "phases[0][items][0][price]"={{PRICE_PREMIUM} \ -d "phases[0][items][0][quantity]"=1 \ -d "phases[0][duration][interval]"=month \ -d "phases[0][duration][interval_count]"=3 \ -d end_behavior=release

Changes

ParameterChangeResources or endpoints
iterationsRemoved
Invoice#create_preview.schedule_details.phases[]SubscriptionSchedule#create.phases[]SubscriptionSchedule#update.phases[]

Upgrade

  1. View your current API version in Workbench.
  2. If you use an SDK, upgrade to the corresponding SDK version for this API version.
    • If you don’t use an SDK, update your API requests to include Stripe-Version: 2025-09-30.clover
  3. Upgrade the API version used for webhook endpoints.
  4. Test your integration against the new version.
  5. If you use Connect, test your Connect integration.
  6. In Workbench, perform the upgrade. You can roll back the version for 72 hours.

Learn more about Stripe API upgrades.

Related changes

  • Promotion Codes now reference Coupons using a polymorphic field for promotions
  • Adds the Discount source property and removes the Discount coupon property
  • Makes flexible billing mode the default for new subscriptions
  • Updates computation of subscription schedule phase end date to consider billing cycle anchor changes
  • Adds customer portal configuration trial behavior
  • Adds the ability to itemize proration discount amounts
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