Glossary (gateway & billing)
| Term | Short definition |
|---|---|
| API Key | Customer credential mapping budgets & catalog entitlements |
| SKU / product | Sellable unit of capability + pricing; may map to many provider configs |
model | Request parameter; catalog is source of truth |
| Usage records | Metering facts for billing & reconciliation |
| Model provider | Actual compute provider; topology usually not customer-visible |
| OpenAI-compatible | HTTP shape aligns with OpenAI APIs subset—not full feature parity |