Usage billing
Meters, event ingestion, credits, and product meter prices
llms.txtMeters, event ingestion, credits, and product meter prices
Usage billing lets you charge based on measured consumption (API calls, storage, seats, etc.).
Meters
Define a meter with a name and aggregation settings. List, update, or deactivate via API.
Ingest events
POST /v1/events/ingest accepts batches of usage events tied to customers and meters.
Customer state
GET /v1/customers/:id/state returns current usage balances and period context for billing.
Credits
POST /v1/customers/:id/meter-credits grants prepaid credits against a meter.
Product meter prices
PATCH /v1/products/:id/meter-prices attaches usage rates to a product for invoicing.
See API: Usage billing.