FAQ

Common questions about billing, routing, and on-chain verification.

How is HPP Router priced?
Usage is billed against prepaid quota in USD. Model rates follow provider catalog pricing. See pricing overview
Where can I see per-model token rates?
The public models catalog lists input and output rates for each production model. Browse models
Do you support streaming and tool calls?
Yes. Chat completions use Server-Sent Events. The gateway is OpenAI-compatible for tools and vision. Streaming docs
What is hpprouter/auto?
Smart routing picks a provider and model based on your request. Smart routing docs
Can I verify usage on-chain?
Successful requests can be anchored to the HPP audit blockchain. Look up a log id in Activity or the audit page. Blockchain status