curl -X POST https://sandbox.layerfi.com/v1/businesses/{business_id}/invoices/${invoice_id}/void \
  -H "Authorization: Bearer <access_token>" \
  -H "Content-Type: application/json" \

{
  "data": {
    "type": "Invoice",
    "id": "6d0c298f-3e4e-4538-9a71-1d5359c22f71",
    "business_id": "83d8fb80-31ee-4d57-b684-44b4aaa5e01f",
    "external_id": "019234",
    "status": "VOID",
    "sent_at": "2024-04-02T09:02:00Z",
    "due_at": "2023-04-02T09:02:00Z",
    "paid_at": null,
    "voided_at": null,
    "invoice_number": "1",
    "recipient_name": "John Doe",
    "line_items": [
      {
        "id": "e6a491dd-9c22-4403-a54f-32d741a7ec67",
        "invoice_id": "6d0c298f-3e4e-4538-9a71-1d5359c22f71",
        "account_identifier": null,
        "description": null,
        "product": "Cleaner Solution Pro",
        "unit_price": 1299,
        "quantity": "2.00",
        "subtotal": 2598,
        "discount_amount": 0,
        "sales_taxes_total": 218,
        "sales_taxes": [
          {
            "tax_account": {
              "type": "Tax_Name",
              "name": "CALIFORNIA_VAT"
            },
            "amount": 218
          }
        ],
        "total_amount": 2816,
        "transaction_tags": [
          {
            "id": "b2c3d4e5-f6a7-8901-bcde-f1234567890a",
            "key": "product-category",
            "value": "cleaning-supplies",
            "dimension_display_name": "Product Category",
            "value_display_name": "Cleaning Supplies",
            "dimension_id": "e3f4a5b6-c7d8-9012-cdef-123456789012",
            "definition_id": "f4a5b6c7-d8e9-0123-def1-234567890123",
            "created_at": "2024-02-27T02:16:40.389772Z",
            "updated_at": "2024-02-27T02:16:40.389772Z",
            "deleted_at": null,
            "archived_at": null
          }
        ]
      },
      {
        "id": "44f06385-3ef5-4517-8095-eeedaf2054ab",
        "invoice_id": "6d0c298f-3e4e-4538-9a71-1d5359c22f71",
        "account_identifier": null,
        "description": null,
        "product": "Full drain cleaning service",
        "unit_price": 25000,
        "quantity": "1.00",
        "subtotal": 25000,
        "discount_amount": 0,
        "sales_taxes_total": 0,
        "total_amount": 25000,
        "transaction_tags": []
      }
    ],
    "subtotal": 27598,
    "additional_discount": 250,
    "additional_sales_taxes_total": 0,
    "tips": 0,
    "tips_account": null,
    "total_amount": 27566,
    "outstanding_balance": 27566,
    "payment_allocations": [],
    "imported_at": "2024-04-19T02:23:59.902537Z",
    "updated_at": null,
    "transaction_tags": [
      {
        "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
        "key": "department",
        "value": "sales",
        "dimension_display_name": "Department",
        "value_display_name": "Sales Team",
        "dimension_id": "d1e2f3a4-b5c6-7890-abcd-ef1234567890",
        "definition_id": "f1e2d3c4-b5a6-7890-abcd-ef1234567890",
        "created_at": "2024-02-27T02:16:40.389772Z",
        "updated_at": "2024-02-27T02:16:40.389772Z",
        "deleted_at": null,
        "archived_at": null
      }
    ]
  }
}

{
  "errors": [
    {
      "type": "Invalid State",
      "description": "Cannot void invoice with payments. Delete the payments & invoice if payments were made in error."
    }
  ]
}

{
  "errors": [
    {
      "type": "Invalid State",
      "description": "Cannot void invoice with write offs. Delete the invoice if write offs were made in error."
    }
  ]
}