Create a Stripe Checkout session for a plan upgrade
billing
Create a Stripe Checkout session for a plan upgrade
Creates a Stripe Checkout session for the specified paid plan. Owner-only. Starter is rejected — free plans never require a checkout session.
POST
Create a Stripe Checkout session for a plan upgrade
Authorizations
SDK API key (tl_...) or Clerk session JWT
Body
application/json
Response
Checkout session URL
Stripe-hosted checkout session URL.