## Get Organization Daily Cost

**get** `/v1/organizations/{organization_id}/billing/cost`

Get the organization's total usage cost per UTC day over a date range (max 90 days), summing open and closed resources. One entry per day, oldest first. Defaults to the last 30 days.

### Path Parameters

- `organization_id: string`

### Query Parameters

- `from: optional string`

  Inclusive start day, YYYY-MM-DD (UTC). Defaults to 30 days before to.

- `to: optional string`

  Inclusive end day, YYYY-MM-DD (UTC). Defaults to today.

### Returns

- `OrganizationDailyCost object { currency, days, from, to }`

  Daily usage cost over a date range: one entry per UTC day (zero on idle days), summing open and closed resources. Suitable for a daily cost bar chart.

  - `currency: string`

    ISO 4217 currency code.

  - `days: array of DailyCostPoint`

    One entry per UTC day in the range, oldest first.

    - `cost: string`

      Arbitrary-precision decimal serialized as a string (e.g. "58.40").

    - `date: string`

      UTC calendar day (YYYY-MM-DD).

  - `from: string`

    Inclusive start of the range, as a UTC calendar day (YYYY-MM-DD).

  - `to: string`

    Inclusive end of the range, as a UTC calendar day (YYYY-MM-DD).

### Example

```http
curl https://api.nirvanalabs.io/v1/organizations/$ORGANIZATION_ID/billing/cost \
    -H "Authorization: Bearer $NIRVANA_LABS_API_KEY"
```

#### Response

```json
{
  "currency": "USD",
  "days": [
    {
      "cost": "-69125",
      "date": "2026-07-07"
    }
  ],
  "from": "2026-06-08",
  "to": "2026-07-08"
}
```