Create a single usage event for metered billing.
Events are accepted immediately and processed asynchronously. Provide exactly one ofDocumentation Index
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customerId (Monk UUID) or externalCustomerId (your own identifier).
Include an idempotencyKey to prevent duplicate billing on retries. If omitted, a UUID is auto-generated. Resending the same key is always safe — Monk accepts the request and the latest version of the event becomes the source of truth for billing.
Scope: usage:writeBearer authentication header of the form Bearer <token>, where <token> is your auth token.
Monk customer UUID (provide this or externalCustomerId)
Your external identifier (provide this or customerId)
Optional contract UUID to associate the event with a specific contract.
Unique key to prevent duplicates. Auto-generated if omitted.
ISO 8601 (UTC). Defaults to now. Must not be more than 1 hour in the future.