Update a subscription
Billing
Update a subscription
Applies a seat/tier/interval change. Upgrades take effect immediately with prorated charge + credits; downgrades and billing-cycle switches are scheduled for the next renewal via a Stripe Subscription Schedule.
POST
Update a subscription
Authorizations
JWT authentication token
Body
application/json
Required when reducing seats below the current premium-member count: the member emails to demote to non-premium (no credits) at the next renewal. Must be enough to bring the premium count down to the new seat count.
Available options:
month, year 
