> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nevatal.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Invoice

> Retrieve a single invoice by ID

## Path Parameters

<ParamField path="id" type="string" required>The invoice ID</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl -X GET "https://api.nevatal.com/api/v1/billing/invoices/inv_001" \
    -H "Authorization: Bearer nvtl_your_api_key"
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "id": "inv_001",
    "invoiceNumber": "FV-2025-0042",
    "patientId": "pat_abc123",
    "patient": {
      "firstName": "María",
      "lastName": "García",
      "documentType": "CC",
      "documentNumber": "1234567890"
    },
    "status": "approved",
    "subtotal": 150000,
    "discount": 0,
    "tax": 28500,
    "total": 178500,
    "currency": "COP",
    "items": [
      {
        "description": "Consulta General",
        "procedureId": "proc_general_consult",
        "quantity": 1,
        "unitPrice": 150000,
        "taxRate": 0.19,
        "total": 150000
      }
    ],
    "payments": [],
    "createdAt": "2025-03-15T10:30:00Z",
    "approvedAt": "2025-03-15T11:00:00Z"
  }
  ```
</ResponseExample>