curl --request POST \
  --url https://rest.taxes.provider.com/api/v1/tax-estimate \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "seller": {
    "address": {
      "line1": "412 63rd South Avenue",
      "city": "Baltimore",
      "state": "MD",
      "country": "US",
      "postalCode": "21230"
    }
  },
  "customer": {
    "name": "John Doe",
    "customerCode": "customer_test",
    "address": {
      "line1": "59, Starlight Avenue",
      "city": "Newark",
      "state": "NJ",
      "country": "US",
      "postalCode": "98712"
    }
  },
  "estimateDateTime": "2022-11-01T05:12:08.131Z",
  "currency": "USD",
  "lineItems": [
    {
      "number": 1,
      "itemCode": "cbWatch",
      "description": "A winding watch.",
      "quantity": 1,
      "amount": 100,
      "isTaxInclusive": false,
      "taxIdentifiers": [
        {
          "id": "taxCode",
          "value": "PT12312"
        }
      ]
    }
  ]
}'

{
  "seller": {
    "address": {
      "line1": "412 63rd South Avenue",
      "city": "Baltimore",
      "state": "MD",
      "country": "US",
      "postalCode": "21230"
    },
    "hasNexus": true
  },
  "customer": {
    "customerCode": "customer_test",
    "address": {
      "line1": "59, Starlight Avenue",
      "city": "Newark",
      "state": "NJ",
      "country": "US",
      "postalCode": "98712"
    }
  },
  "estimateDateTime": "2022-11-01T05:12:08.131Z",
  "currency": "USD",
  "discountAmount": 0,
  "subtotal": 100,
  "exemptAmount": 0,
  "taxableAmount": 100,
  "taxAmount": 15,
  "total": 115,
  "lineItems": [
    {
      "number": 1,
      "itemCode": "cbWatch",
      "description": "A winding watch.",
      "quantity": 1,
      "amount": 100,
      "isTaxInclusive": false,
      "isTaxable": true,
      "taxIdentifiers": [
        {
          "id": "taxCode",
          "value": "PT12312"
        }
      ],
      "discountAmount": 0,
      "subtotal": 100,
      "exemptAmount": 0,
      "taxableAmount": 100,
      "taxAmount": 15,
      "total": 115,
      "taxes": [
        {
          "number": 1,
          "jurisdiction": {
            "code": "48",
            "type": "STATE",
            "name": "CALIFORNIA"
          },
          "name": "SALE",
          "rate": 5,
          "taxableAmount": 100,
          "taxAmount": 5
        },
        {
          "number": 2,
          "jurisdiction": {
            "code": "27000",
            "type": "CITY",
            "name": "SAN FRANCISCO"
          },
          "name": "SALE",
          "rate": 10,
          "taxableAmount": 100,
          "taxAmount": 10
        }
      ]
    }
  ]
}