<!-- ZenPays documentation · https://docs.zenpayz.com/docs/rest-api/endpoints/billing/invoices/invoice-analytics -->

# Invoice Analytics

Retrieve invoice analytics including totals and counts by status.

<EndpointHeader verb="GET" path="/merchant/api/v1/invoices/analytics" />

## Request

### Headers

<ParamTable
  label="Header"
  rows={[
    { name: "Authorization", required: true, desc: "`Bearer {api_key}`" },
    { name: "X-Signature", required: true, desc: "HMAC-SHA256 signature" },
    { name: "X-Timestamp", required: true, desc: "ISO 8601 timestamp" },
    { name: "X-Secret-Salt", required: true, desc: "Secret salt for HMAC validation" },
    { name: "Content-Type", required: true, desc: "`application/json`" },
  ]}
/>

## Response

### Success (200 OK)

```json
{
  "success": true,
  "data": {
    "totalInvoices": 150,
    "totalAmount": 125000.00,
    "totalPaid": 95000.00,
    "totalOutstanding": 30000.00,
    "byStatus": {
      "DRAFT": 10,
      "SENT": 25,
      "VIEWED": 8,
      "PARTIALLY_PAID": 5,
      "PAID": 85,
      "OVERDUE": 12,
      "CANCELLED": 3,
      "VOID": 2
    },
    "averageInvoiceAmount": 833.33,
    "averagePaymentTime": 14.5
  },
  "message": "Invoice analytics retrieved successfully",
  "error": null,
  "meta": {
    "request_id": "req_xxxxx",
    "timestamp": "2024-01-15T10:30:00.000Z",
    "processing_time_ms": 80,
    "api_version": "v1",
    "endpoint": "GET /invoices/analytics",
    "user_type": "merchant"
  }
}
```

### Error Responses

<ErrorTable
  rows={[
    { code: "UNAUTHORIZED", status: "401", message: "Invalid API key" },
  ]}
/>

<CodeRail>

## Examples

<Tabs groupId="language">
  <TabItem value="curl" label="cURL" default>

```bash
curl -X GET https://api.zenpayz.com/merchant/api/v1/invoices/analytics \
  -H "Authorization: Bearer zp_test_xxxxx" \
  -H "X-Timestamp: 2024-01-15T10:30:00.000Z" \
  -H "X-Signature: a1b2c3d4e5f6..." \
  -H "X-Secret-Salt: your_secret_salt" \
  -H "Content-Type: application/json"
```

  </TabItem>
  <TabItem value="javascript" label="JavaScript">

```javascript
const response = await fetch('https://api.zenpayz.com/merchant/api/v1/invoices/analytics', {
  method: 'GET',
  headers: {
    'Authorization': `Bearer ${apiKey}`,
    'X-Timestamp': timestamp,
    'X-Signature': signature,
    'X-Secret-Salt': secretSalt,
    'Content-Type': 'application/json',
  },
});

const result = await response.json();
console.log(result.data.totalInvoices); // 150
console.log(result.data.totalPaid); // 95000.00
```

  </TabItem>
  <TabItem value="sdk" label="SDK">

```javascript
const analytics = await zenpays.invoices.analytics();

console.log(analytics.totalInvoices); // 150
console.log(analytics.totalPaid); // 95000.00
```

  </TabItem>
</Tabs>

</CodeRail>

## Related Endpoints

- [List Invoices](/docs/rest-api/endpoints/billing/invoices/list-invoices)
- [Create Invoice](/docs/rest-api/endpoints/billing/invoices/create-invoice)
