Preview a subscription plan change
Show what POST /v1/billing/plan-changes would do for the same plan without changing anything: the amount charged on confirmation, when the plan takes effect, the recurring price after it, and the card on file. Refuses exactly what the plan change refuses.
Authentication
Request
AI Plus or AI Pro plan to move to; the current plan cancels a scheduled change
Response headers
Requests allowed per client IP in the current rate-limit window.
Requests left before the tightest applicable rate-limit bucket rejects.
Seconds until the exhausted rate-limit bucket admits another request; 0 when none is exhausted.
Response
Amount charged on confirmation in the currency’s minor unit, after credit for unused time; 0 when the change waits for the period end
When the plan would take effect: now, or the current period end
Card Stripe charges; absent when no card is on file