curl --request POST \
  --url https://sandbox.tight.com/v6/customers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": [
    {
      "name": "Acme Corp",
      "id": "cus_28868401",
      "status": "ACTIVE",
      "additionalContactName": "Jane Smith",
      "businessName": "Acme Corporation LLC",
      "email": "billing@acme.com",
      "ccEmails": [
        "[\"cc@acme.com\"]"
      ],
      "bccEmails": [
        "[\"bcc@acme.com\"]"
      ],
      "invoiceSettings": {
        "invoicePrefix": "INV-",
        "showAdditionalContactName": true,
        "showBusinessName": true,
        "showName": true,
        "showEmail": true,
        "showAddress": true,
        "showPhoneWork": true
      },
      "address": {
        "state": "<string>",
        "city": "<string>",
        "zip": "<string>",
        "phoneWork": "<string>",
        "address1": "<string>",
        "address2": "<string>"
      },
      "customData": {
        "internal_key": "some_internal_key",
        "some_other_field": 23434
      }
    }
  ]
}
'

{
  "result": "SUCCESS",
  "data": [
    {
      "result": "SUCCESS",
      "statusCode": 200,
      "data": {
        "id": "cus_28868401",
        "name": "Acme Corp",
        "status": "ACTIVE",
        "additionalContactName": "Jane Smith",
        "businessName": "Acme Corporation LLC",
        "email": "billing@acme.com",
        "ccEmails": [
          "cc@acme.com"
        ],
        "bccEmails": [
          "bcc@acme.com"
        ],
        "invoiceSettings": {
          "invoicePrefix": "INV-",
          "showAdditionalContactName": true,
          "showBusinessName": true,
          "showName": true,
          "showEmail": true,
          "showAddress": true,
          "showPhoneWork": true
        },
        "address": {
          "countryCode": "USA",
          "state": "<string>",
          "city": "<string>",
          "zip": "<string>",
          "phoneWork": "<string>",
          "address1": "<string>",
          "address2": "<string>"
        },
        "customData": {
          "internal_key": "some_internal_key",
          "some_other_field": 23434
        }
      },
      "error": [
        {
          "type": "UNKNOWN_ERROR",
          "message": "<string>",
          "param": "<string>"
        }
      ]
    }
  ],
  "error": [
    {
      "type": "UNKNOWN_ERROR",
      "message": "<string>",
      "param": "<string>"
    }
  ]
}