curl --request POST \
  --url https://connect.withvayu.com/customers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "aliases": [],
  "address": {
    "country": "<string>",
    "city": "<string>",
    "addressText": "<string>",
    "state": "<string>",
    "postalCode": "<string>"
  },
  "contacts": [
    {
      "name": "<string>",
      "email": "jsmith@example.com",
      "receiveInvoiceEmail": true
    }
  ],
  "externalId": "<string>"
}'

{
  "customer": {
    "name": "<string>",
    "aliases": [],
    "address": {
      "country": "<string>",
      "city": "<string>",
      "addressText": "<string>",
      "state": "<string>",
      "postalCode": "<string>"
    },
    "contacts": [
      {
        "name": "<string>",
        "email": "jsmith@example.com",
        "receiveInvoiceEmail": true
      }
    ],
    "externalId": "<string>",
    "id": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  }
}