curl --request GET \
  --url https://api.heymilo.ai/api/v2/sender-emails/{sender_email_id} \
  --header 'X-API-KEY: <api-key>'

{
  "data": {
    "id": "<string>",
    "email_prefix": "<string>",
    "domain": "<string>",
    "full_email": "<string>",
    "domain_id": "<string>",
    "created_at": 123,
    "object": "sender_email"
  },
  "meta": {}
}