curl --request GET \
  --url https://eu.sequencehq.com/api/customers/by-alias/{alias} \
  --header 'Authorization: <authorization>'

{
  "id": "e309e948-088e-4d77-b654-cd85498f1555",
  "createdAt": "2022-06-28T16:47:00Z",
  "legalName": "John Doe",
  "contactName": "John Doe",
  "address": {
    "line1": "Flat 1",
    "line2": "123 Fake Street",
    "town": "New York",
    "state": "NY",
    "postcode": "AB1 2EF",
    "country": "US"
  },
  "email": "john@example.com",
  "telephone": "02010001000",
  "url": "https://example.com/",
  "label": "Example customer",
  "integrationIds": [
    {
      "service": "Xero",
      "id": "ID",
      "lastSynced": "2022-06-28T16:47:00Z",
      "isPending": false
    },
    {
      "service": "Stripe",
      "id": "cus_OCtCxqQDgu1uX9",
      "lastSynced": "2022-06-28T16:47:00Z",
      "isPending": false
    }
  ],
  "archivedAt": "2022-06-28T16:47:00Z",
  "billingEmails": [
    "exampleCorpInvoices@example.com"
  ],
  "taxStatus": "TAXED"
}