downgrade_subscription
DestructiveIdempotent
Downgrade the authenticated user's posterly subscription one tier (or to an explicit lower tier) at the next renewal with no proration. Billing action; requires the billing:write scope. Only call after the user explicitly confirms.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| tier | No | Optional explicit target tier. Omit to drop one tier automatically. | |
| confirm | Yes | Must be true after the user explicitly confirms the downgrade. |