curl --request POST \
  --url https://sandbox.foldd.com/customers \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '{
  "email": "guest@example.com",
  "name": "John Doe"
}'

{
  "customer_id": "cus_y3oqhf46pyzuxjbcn2giaqnb44",
  "name": "Jon Test",
  "email": "JonTest@test.com",
  "phone": "9123456789",
  "phone_country_code": "+65",
  "description": "First Customer",
  "address": {
    "city": "New York",
    "country": "AF",
    "line1": "123, King Street",
    "line2": "Powelson Avenue",
    "line3": "Bridgewater",
    "zip": "08807",
    "state": "New York",
    "first_name": "John",
    "last_name": "Doe"
  },
  "created_at": "2023-01-18T11:04:09.922Z",
  "metadata": {},
  "default_payment_method_id": "pm_djh2837dwduh890123"
}