curl --request GET \
  --url https://api.numeralhq.com/tax/transactions/{transaction_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "tr_123456789",
  "object": "tax.transaction",
  "calculation_id": "calc_123456789",
  "reference_order_id": "343-45836",
  "transaction_processed_at": 1714787673,
  "customer_currency_code": "USD",
  "filing_currency_code": "USD",
  "line_items": [
    {
      "product": {
        "reference_product_name": "Widget",
        "reference_line_item_id": "line_987654321",
        "reference_product_id": "p-1233543",
        "product_tax_code": "GENERAL_MERCHANDISE"
      },
      "tax_jurisdictions": [
        {
          "tax_rate": 0.07,
          "rate_type": "SALES TAX",
          "jurisdiction_name": "Indiana",
          "fee_amount": 0,
          "note": "Cross-border B2B sale to VAT-registered business, reverse charge applies"
        }
      ],
      "quantity": 2,
      "tax_amount": 14,
      "amount_excluding_tax": 200,
      "amount_including_tax": 214
    }
  ],
  "testmode": "false",
  "metadata": {
    "example_key": "example_value"
  }
}