# Get monthly usage

Retrieve month-by-month usage breakdown for trend analysis.

#### Path Parameters

**`org_id`** string required

The organization ID.

#### Query Parameters

**`month`** integer

Specific month to retrieve (1-12).

**`months`** integer

Number of months to retrieve. Default: `12`.

#### Returns

Returns monthly usage analytics with trends and comparisons.


```bash
curl "https://api.aitronos.com/v1/analytics/usage/monthly/org_abc123?year=2025&months=6" \
  -H "X-API-Key: $FREDDY_API_KEY"
```


```python
import os
import requests

api_key = os.environ["FREDDY_API_KEY"]
org_id = "org_abc123"

response = requests.get(
    f"https://api.aitronos.com/v1/analytics/usage/monthly/{org_id}",
    params={"year": 2025, "months": 6},
    headers={"X-API-Key": api_key}
)

data = response.json()
print(f"Total requests: {data['totalRequests']}")
```


```javascript
const response = await fetch(
  "https://api.aitronos.com/v1/analytics/usage/monthly/org_abc123?year=2025&months=6",
  {
    headers: {
      "X-API-Key": process.env.FREDDY_API_KEY
    }
  }
);

const data = await response.json();
console.log(`Total requests: ${data.totalRequests}`);
```

**Response:**

200 OK

```json
{
  "organization_id": "org_abc123",
  "period": "monthly",
  "data": [
    {
      "month": 11,
      "year": 2025,
      "month_name": "November",
      "total_cost_chf": 1250.75,
      "total_requests": 5000,
      "total_synapses": 2500000.0,
      "total_tokens": 500000,
      "growth_rate_percent": -5.2
    },
    {
      "month": 10,
      "year": 2025,
      "month_name": "October",
      "total_cost_chf": 1320.50,
      "total_requests": 5280,
      "total_synapses": 2640000.0,
      "total_tokens": 528000,
      "growth_rate_percent": 8.5
    }
  ],
  "totalRequests": 10280,
  "totalCost": 2571.25,
  "summary": {
    "year": 2025,
    "start_month": 6,
    "end_month": 11,
    "months_included": 6,
    "currency": "CHF"
  }
}
```

401 Unauthorized

```json
{
  "success": false,
  "error": {
    "code": "AUTHENTICATION_REQUIRED",
    "message": "Authentication required",
    "system_message": "No API key provided",
    "type": "client_error",
    "status": 401,
    "trace_id": "abc-123-def",
    "timestamp": "2025-11-15T10:30:00Z"
  }
}
```

400 Bad Request

```json
{
  "success": false,
  "error": {
    "code": "INVALID_REQUEST",
    "message": "Invalid query parameters",
    "system_message": "year is required and must be between 2020 and 2030",
    "type": "validation_error",
    "status": 400,
    "trace_id": "ghi-789-jkl",
    "timestamp": "2025-11-15T10:30:00Z"
  }
}
```

500 Server Error

```json
{
  "success": false,
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "An unexpected error occurred",
    "system_message": "Database query failed",
    "type": "server_error",
    "status": 500,
    "trace_id": "jkl-012-mno",
    "timestamp": "2025-11-15T10:30:00Z"
  }
}
```