OpenAI

Understanding OpenAI API Billing and Usage

API billing and invoice timingLearn when API invoices are issued and where to find invoices, payment history, and receipts.
Fast mode FAQFrequently asked questions about Fast mode
Is the Moderation endpoint free to use?Cost of use for the Moderation endpoint
Is there an SLA for latency guarantees on the various engines?Learn how to contact OpenAI about latency requirements and check current or historical uptime on the OpenAI Status page.
Reviewing API usage and costsReview API activity in the Usage Dashboard, check token counts in API responses, and understand project filters, exports, and Scale Tier costs.