Billing endpoint
POST /api/billing/checkout
Create a Stripe checkout session with double-billing guard.
LiveAll plans
Endpoint contract
| Property | Value |
|---|---|
| Method | POST |
| Path | /api/billing/checkout |
| Surface | Billing |
| Access | Signed-in user |
| Status | Live |
Purpose
Create a Stripe checkout session with double-billing guard.
Usage boundary
Authentication required
Caller requirements: Signed-in user. Inputs remain subject to route-specific validation, ownership, rate, quota, and idempotency controls.
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