Subscriptions
Get checkout URL
Generate a Polar checkout URL for purchasing or upgrading a subscription. The returned URL includes the organization ID as the customer external ID. Redirect the user to this URL to start the payment flow.
GET
Get checkout URL
Documentation Index
Fetch the complete documentation index at: https://docs.usechar.com/llms.txt
Use this file to discover all available pages before exploring further.
Authorizations
WorkOS JWT token. Obtain via WorkOS AuthKit authentication flow. The token must include organization_id claim for organization-scoped endpoints.
Query Parameters
Polar product ID for the subscription plan to purchase
Response
OK
URL to redirect the user to for Polar checkout
Get checkout URL

