> ## Documentation Index
> Fetch the complete documentation index at: https://docs.myrouter.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Billing

> Stripe-style prepaid billing extension.

Defined in `openapi/public.openapi.yaml`.

Public operations:

* `POST /api/v1/billing/checkout/sessions`
* `GET /api/v1/billing/checkout/sessions/{session_id}`
* `GET /api/v1/billing/balance-transactions`
* `GET /api/v1/billing/balance-transactions/{transaction_id}`
* `GET /api/v1/billing/invoices`
* `GET /api/v1/billing/invoices/{invoice_id}`

V0 supports prepaid Stripe Checkout only.

Not V0:

* postpaid;
* credit line;
* enterprise contract billing.

Billing naming follows Stripe resource concepts: Checkout Sessions, Balance Transactions, and Invoices.