curl --request POST \
  --url https://api.numeralhq.com/tax/calculations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "customer": {
    "address": {
      "address_line_1": "4 Privet Drive",
      "address_city": "Little Whinging",
      "address_province": "CA",
      "address_postal_code": "90210",
      "address_country": "US",
      "address_type": "shipping"
    }
  },
  "order_details": {
    "customer_currency_code": "USD",
    "tax_included_in_amount": false,
    "line_items": [
      {
        "reference_product_id": "wand_elder_12",
        "amount": 10000,
        "quantity": 1
      }
    ]
  }
}'

{
  "id": "calc_1726683504829b84b2ad6-a4c9-4e0e-986f-7bb3d1fb17c9",
  "object": "tax.calculation",
  "customer_currency_code": "USD",
  "line_items": [
    {
      "product": {
        "reference_product_name": "Elder Wand",
        "reference_product_id": "wand_elder_12",
        "product_tax_code": "GENERAL_MERCHANDISE"
      },
      "tax_jurisdictions": [
        {
          "tax_rate": 0.1,
          "rate_type": "SALES TAX",
          "jurisdiction_name": "California",
          "fee_amount": 0
        }
      ],
      "quantity": 1,
      "tax_amount": 1000,
      "amount_excluding_tax": 10000,
      "amount_including_tax": 11000
    }
  ],
  "tax_included_in_amount": false,
  "total_tax_amount": 1000,
  "total_amount_excluding_tax": 10000,
  "total_amount_including_tax": 11000,
  "expires_at": 1726683511,
  "testmode": true,
  "address_resolution_status": "EXACT",
  "address_used": {
    "address_line_1": "4 Privet Drive",
    "address_city": "Little Whinging",
    "address_province": "CA",
    "address_postal_code": "90210",
    "address_country": "US"
  }
}