{
  "example": "List pending invoices filtered by matter",
  "request": {
    "method": "GET",
    "path": "/api/v1/invoices",
    "url": "https://app.simplelegal.com/api/v1/invoices",
    "headers": {
      "Authorization": "Basic <base64-encoded-credentials>"
    },
    "queryParameters": {
      "status": "pending",
      "matter_id": "matter-abc123",
      "page": 1,
      "page_size": 25
    }
  },
  "response": {
    "status": 200,
    "body": {
      "count": 2,
      "next": null,
      "previous": null,
      "results": [
        {
          "id": "inv-001",
          "invoice_number": "WP-2026-0234",
          "matter_id": "matter-abc123",
          "vendor_id": "vendor-wilson-partners",
          "status": "pending",
          "invoice_date": "2026-04-30",
          "due_date": "2026-05-30",
          "currency": "USD",
          "total_amount": 42500.00,
          "approved_amount": null,
          "line_items": [
            {
              "id": "li-001",
              "type": "fee",
              "description": "Patent analysis and claim review",
              "timekeeper": "Robert Johnson",
              "hours": 12.5,
              "rate": 500.00,
              "amount": 6250.00,
              "task_code": "L110",
              "activity_code": "A101"
            },
            {
              "id": "li-002",
              "type": "fee",
              "description": "Research prior art",
              "timekeeper": "Sarah Lee",
              "hours": 18.0,
              "rate": 350.00,
              "amount": 6300.00,
              "task_code": "L120",
              "activity_code": "A102"
            }
          ],
          "created_at": "2026-05-01T14:00:00Z",
          "updated_at": "2026-05-01T14:00:00Z"
        }
      ]
    }
  }
}