A subscription's ending period can no longer be configured while canceling itBreaking changes

What’s new

Going forward, the DELETE endpoint is reserved for immediate canceling. You can no longer set at_period_end in the subscription DELETE endpoints. Use cancel_at_period_end on the subscription update endpoints instead.

Impact

This change enforces stricter validation on the email parameter when creating or updating customer records, ensuring it contains a properly formatted email address. You’re now required to provide valid email addresses, improving data quality and reducing errors in customer communications.

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