Software Design

Handling SaaS Billing Downgrades and Retention

Use Case Diagrams · made in Skemio

Use case diagram showing a user initiating a downgrade subscription flow that includes feature locking and warnings, with a billing cron actor running purge jobs.
Use case diagram showing a user initiating a downgrade subscription flow that includes feature locking and warnings, with a billing cron actor running purge jobs.
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What it shows

  • Soft-lock premium features while maintaining read-only data access.
  • Trigger hard-deletion background jobs only after a 30-day grace period.
  • Surface persistent UI warning banners with straightforward export paths.

The takeaway

Never purge customer data immediately on downgrade; offer grace periods and transparent export tools.

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