Create or recover a hosted Checkout Session
Start the selected AI Plus or AI Pro plan through hosted Checkout. A caller with a continuing subscription manages it through a Billing Portal Session instead.
Authentication
AuthorizationBearer
User bearer token: Clerk session JWT, Clerk OAuth access token, or Clerk API key
Request
This endpoint expects an object.
plan
AI Plus or AI Pro plan to start through hosted Checkout
Allowed values:
Response headers
X-RateLimit-Limit
Requests allowed per client IP in the current rate-limit window.
X-RateLimit-Remaining
Requests left before the tightest applicable rate-limit bucket rejects.
X-RateLimit-Reset
Seconds until the exhausted rate-limit bucket admits another request; 0 when none is exhausted.
Response
Created
expiresAt
plan
Canonical paid billing plan offered by aVenture.
Allowed values:
url
Errors
400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
406
Not Acceptable Error
409
Conflict Error
415
Unsupported Media Type Error
422
Unprocessable Entity Error
429
Too Many Requests Error
500
Internal Server Error
503
Service Unavailable Error