curl --request POST \
  --url 'https://api.stateset.com/api/v1/ap/bills' \
  --header "Authorization: Bearer $STATESET_API_KEY" \
  --header 'Content-Type: application/json' \
  --data '{
  "due_date": "2026-08-31T14:22:05Z",
  "items": [
    {
      "account_code": "string",
      "description": "Two-person tent, green — replacement for damaged pole set.",
      "po_line_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "quantity": "string",
      "tax_rate": "string",
      "unit_price": "49.00"
    }
  ],
  "memo": "string",
  "payment_terms": "string",
  "purchase_order_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "reference_number": "string",
  "supplier_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
}'

{
  "amount_due": "string",
  "amount_paid": "string",
  "bill_number": "string",
  "created_at": "2026-08-31T14:22:05Z",
  "currency": "USD",
  "due_date": "2026-08-31T14:22:05Z",
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "status": "pending",
  "subtotal": "98.00",
  "supplier_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "tax_amount": "4.12",
  "total_amount": "102.12"
}