Usage
Get a usage event
Retrieve a single usage event by its idempotency key (`event_id`).
AuthorizationBearer <token>
API key as Bearer token: Authorization: Bearer luc_live_...
In: header
Path Parameters
event_id*string
The idempotency key of the event.
Response Body
application/json
application/json
application/json
curl -X GET "https://api.lucius.finance/v1/billing/usage/evt-2026-03-001"{
"object": "usage_event",
"id": "evt-2026-03-001",
"contract": "acme-corp-2026",
"metric": "revenue_amount_invoiced",
"quantity": 10000,
"service_period_start": "2026-03-25",
"service_period_end": "2026-03-25",
"ingested_at": "2026-03-05T11:21:59.868Z",
"status": "rated"
}{
"error": "Missing API key"
}{
"error": "Not found"
}