How to view billing via API

[PaulBellow]

Welcome to the community, @Igor_Kuznetsov .

Have you checked out the Usage API?

Introducing the Usage API—track API usage and costs programmatically

Today we’re launching a new API that lets you get granular API usage data, and a Costs endpoint that provides you with a breakdown of your daily spend. You can monitor token use by minute/hour/day, filter usage by API key, project ID, user ID, model. https://platform.openai.com/docs/api-reference/usage