curl --request POST \
  --url https://api.ecrypt.com/v1/customers \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "firstName": "John",
  "lastName": "Doe",
  "company": "US Oil Supply",
  "merchantIdentifier": "EID-987654-321",
  "phoneNumber": "555-555-555",
  "emailAddress": "email@email.com",
  "shippingAddress": {
    "name": "<string>",
    "line1": "<string>",
    "line2": "<string>",
    "city": "<string>",
    "state": "<string>",
    "postalCode": "<string>",
    "country": "<string>"
  },
  "metadata": {},
  "initiatedByUserId": 123
}
'

{
  "requestId": "000000000000000000000",
  "customer": {
    "id": "00000000-0000-0000-0000-000000000000",
    "firstName": "John",
    "lastName": "Doe",
    "company": "US Oil Supply",
    "merchantIdentifier": "EID-987654-321",
    "phoneNumber": "555-555-555",
    "emailAddress": "email@email.com",
    "shippingAddress": {
      "name": "<string>",
      "line1": "<string>",
      "line2": "<string>",
      "city": "<string>",
      "state": "<string>",
      "postalCode": "<string>",
      "country": "<string>"
    },
    "metadata": {}
  },
  "errors": [
    {
      "type": "<string>",
      "message": "<unknown>"
    }
  ]
}