{
  "biller": "anthropic",
  "externalId": "example-invoice-2026-09",
  "currency": "USD",
  "lines": [
    {
      "externalId": "example-line-1",
      "kind": "inference",
      "amountCents": "12.5000000",
      "occurredAt": "2026-09-01T00:00:00Z",
      "providerRequestId": "replace-with-the-provider-request-id",
      "pricing": { "source": "provider_invoice", "version": "2026-09", "evidence": "example-invoice-2026-09" }
    }
  ]
}