billing

Create Polar checkout session

Changed on Aug 25, 2026

post/api/v1/billing/checkout

Request

Base URL
https://api.crosmos.dev
Auth
HTTP bearer
TypeScript
https://skmtc.dev/crosmos/apis/crosmos-api/docs/api/v1/billing/checkout/post.ts
A function with typed inputs. Its response is checked against the schema.

Request body

plan'developer' | 'pro' required

Plan to upgrade to. Only 'developer' and 'pro' are purchasable.

Response

Checkout session

checkout_urlstring uri required

Changes

Aug 25, 202655772030ddd3 Revision changes
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
- warning
  removed the optional property from the response with the status
Aug 19, 2026b38f8e603649 Revision changes
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status
- info
  added the optional property to the response with the status

Operation history