OpenAI API
Documentation reviewed- Usage & cost
- Usage and cost endpoints; per-key tracking
- Spend cap
- Organisation and project caps, monthly only; 429 on reach; slight overshoot possible
- Change cap by API
- Yes, Admin API
- Read cap by API
- Yes
- Rate controls
- Project limits writable (Admin API, Terraform)
- Other controls & limits
- Model allow and deny lists per project; key management
Provider-capped