curl --request POST \
  --url https://api.headlesscommerce.io/v1/admin/customers/{id}/token \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "expires_in": 86400
}
'

{
  "token": "<string>",
  "expires_at": "2023-11-07T05:31:56Z"
}