# Adds customer portal configuration trial behavior ## What’s new Allows you to specify what happens to trials when a subscription is upgraded or downgraded. You can choose whether a trial continues or ends when it updates. ## Impact Previously, all trials ended when a subscription was upgraded or downgraded in the customer portal. You can now configure if it should continue or end. ## Changes #### REST API | Parameter | Change | Resources or endpoints | | ----------------------- | ------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `trial_update_behavior` | Added | [BillingPortal.Configuration#create.features.subscription_update](/api/customer_portal/configurations/create?api-version=2025-09-30.clover#create_portal_configuration-features-subscription_update), [BillingPortal.Configuration#update.features.subscription_update](/api/customer_portal/configurations/update?api-version=2025-09-30.clover#update_portal_configuration-features-subscription_update), [BillingPortal.Configuration.features.subscription_update](/api/customer_portal/configurations/object?api-version=2025-09-30.clover#portal_configuration_object-features-subscription_update) | #### Ruby | Parameter | Change | Resources or methods | | ----------------------- | ------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `trial_update_behavior` | Added | [BillingPortal::Configuration::CreateParams::Feature::SubscriptionUpdate](/api/customer_portal/configurations/create?api-version=2025-09-30.clover#create_portal_configuration-features-subscription_update), [BillingPortal::Configuration::Feature::SubscriptionUpdate](/api/customer_portal/configurations/object?api-version=2025-09-30.clover#portal_configuration_object-features-subscription_update), [BillingPortal::Configuration::UpdateParams::Feature::SubscriptionUpdate](/api/customer_portal/configurations/update?api-version=2025-09-30.clover#update_portal_configuration-features-subscription_update) | #### Python | Parameter | Change | Resources or methods | | ----------------------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `trial_update_behavior` | Added | [BillingPortal.Configuration.Feature.SubscriptionUpdate](/api/customer_portal/configurations/object?api-version=2025-09-30.clover#portal_configuration_object-features-subscription_update), [billing_portal.Configuration.CreateParamsFeatureSubscriptionUpdate](/api/customer_portal/configurations/create?api-version=2025-09-30.clover#create_portal_configuration-features-subscription_update), [billing_portal.Configuration.ModifyParamsFeatureSubscriptionUpdate](/api/customer_portal/configurations/update?api-version=2025-09-30.clover#update_portal_configuration-features-subscription_update) | #### PHP This change does not affect the PHP SDK. #### Java | Parameter | Change | Resources or methods | | --------------------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `trialUpdateBehavior` | Added | [billingportal.Configuration.features.subscription_update](/api/customer_portal/configurations/object?api-version=2025-09-30.clover#portal_configuration_object-features-subscription_update), [billingportal.ConfigurationCreateParams.features.subscription_update](/api/customer_portal/configurations/create?api-version=2025-09-30.clover#create_portal_configuration-features-subscription_update), [billingportal.ConfigurationUpdateParams.features.subscription_update](/api/customer_portal/configurations/update?api-version=2025-09-30.clover#update_portal_configuration-features-subscription_update) | #### Node.js | Parameter | Change | Resources or methods | | ----------------------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `trial_update_behavior` | Added | [BillingPortal.Configuration.features.subscription_update](/api/customer_portal/configurations/object?api-version=2025-09-30.clover#portal_configuration_object-features-subscription_update), [BillingPortal.ConfigurationCreateParams.features.subscription_update](/api/customer_portal/configurations/create?api-version=2025-09-30.clover#create_portal_configuration-features-subscription_update), [BillingPortal.ConfigurationUpdateParams.features.subscription_update](/api/customer_portal/configurations/update?api-version=2025-09-30.clover#update_portal_configuration-features-subscription_update) | #### Go | Parameter | Change | Resources or methods | | --------------------- | ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | `TrialUpdateBehavior` | Added | [BillingPortalConfigurationFeaturesSubscriptionUpdate](/api/customer_portal/configurations/object?api-version=2025-09-30.clover#portal_configuration_object-features-subscription_update), [BillingPortalConfigurationFeaturesSubscriptionUpdateParams](/api/customer_portal/configurations/create?api-version=2025-09-30.clover#create_portal_configuration-features-subscription_update) | #### .NET | Parameter | Change | Resources or methods | | --------------------- | ------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `TrialUpdateBehavior` | Added | [BillingPortal.Configuration.Features.SubscriptionUpdate](/api/customer_portal/configurations/object?api-version=2025-09-30.clover#portal_configuration_object-features-subscription_update), [BillingPortalConfigurationFeaturesSubscriptionUpdateOptions](/api/customer_portal/configurations/create?api-version=2025-09-30.clover#create_portal_configuration-features-subscription_update) | ## Upgrade #### REST API 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. 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](https://docs.stripe.com/api/versioning.md) to include `Stripe-Version: 2025-09-30.clover` 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Ruby 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. Upgrade your Ruby SDK to [v16.0.0](https://github.com/stripe/stripe-ruby/releases/tag/v16.0.0) 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Python 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. Upgrade your Python SDK to [v13.0.1](https://github.com/stripe/stripe-python/releases/tag/v13.0.1) 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### PHP 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. Upgrade your PHP SDK to [v18.0.0](https://github.com/stripe/stripe-php/releases/tag/v18.0.0) 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Java 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. Upgrade your Java SDK to [v30.0.0](https://github.com/stripe/stripe-java/releases/tag/v30.0.0) 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Node.js 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. Upgrade your Node SDK to [v19.1.0](https://github.com/stripe/stripe-node/releases/tag/v19.1.0) 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Go 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. Upgrade your Go SDK to [v83.0.0](https://github.com/stripe/stripe-go/releases/tag/v83.0.0) 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### .NET 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 1. Upgrade your .NET SDK to [v49.0.0](https://github.com/stripe/stripe-dotnet/releases/tag/v49.0.0) 1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 1. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 1. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). ## Related changes - [Removes iterations parameter for subscription schedules](https://docs.stripe.com/changelog/clover/2025-09-30/remove-iterations.md) - [Promotion Codes now reference Coupons using a polymorphic field for promotions](https://docs.stripe.com/changelog/clover/2025-09-30/polymorphic-coupon.md) - [Adds the Discount source property and removes the Discount coupon property](https://docs.stripe.com/changelog/clover/2025-09-30/add-discount-source-property.md) - [Makes flexible billing mode the default for new subscriptions](https://docs.stripe.com/changelog/clover/2025-09-30/billing-mode-default-flexible.md) - [Updates computation of subscription schedule phase end date to consider billing cycle anchor changes](https://docs.stripe.com/changelog/clover/2025-09-30/billing-cycle-anchor-resets-during-phase-computation.md) - [Adds the ability to itemize proration discount amounts](https://docs.stripe.com/changelog/clover/2025-09-30/itemize-proration-discount-amounts.md)