curl --request GET \
  --url https://api.sandbox.getasset.com/v0/business/{business_id}/invoice/{invoice_id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "business_id": "biz_Pk2fNFDd8wj7EFeLWJywc7",
    "number": "<string>",
    "description": "<string>",
    "total_amount": 123,
    "total_paid": 0,
    "source": "manual",
    "due_at": "2023-11-07T05:31:56Z",
    "sent_at": "2023-11-07T05:31:56Z",
    "voided_at": "2023-11-07T05:31:56Z",
    "status": "open",
    "credit_amount": 123,
    "metadata_": {},
    "id": "inv_WQMDNUHpBThYSNh4AprDBo",
    "lines": [
      {
        "description": "<string>",
        "ledger_id": "ldg_WQMDNUHpBThYSNh4AprDBo",
        "discount_amount": 123,
        "discount_rate": 123,
        "unit_price": 123,
        "quantity": 123,
        "tax_amount": 123,
        "tax_rate": 123,
        "is_prepayment": true,
        "metadata_": {},
        "id": "inv_line_WQMDNUHpBThYSNh4AprDBo",
        "invoice_id": "inv_WQMDNUHpBThYSNh4AprDBo"
      }
    ],
    "payments": [
      {
        "invoice_id": "inv_WQMDNUHpBThYSNh4AprDBo",
        "transaction_id": "txn_WQMDNUHpBThYSNh4AprDBo",
        "payment_id": "WQMDNUHpBThYSNh4AprDBo",
        "datetime": "2021-01-01T00:00:00Z",
        "payment_amount": 123,
        "id": "inp_WQMDNUHpBThYSNh4AprDBo",
        "invoice": {}
      }
    ],
    "customer_id": "<string>"
  }
}