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

# Billing

> Understand the billing lifecycle for asynchronous tasks.

Billing rules depend on the selected model and account configuration. Consult
the verified pricing page before production use.

<Note>
  HTTP `202` means the task was accepted; it does not prove that generation has
  completed or that a final asset exists.
</Note>