curl -X GET https://api.mailofly.com/suppressions/baduser@example.com \
  -H "Authorization: Bearer mf_live_your_api_key"

{
  "data": {
    "id": "sup_123",
    "email": "baduser@example.com",
    "reason": "complaint",
    "source": "api",
    "created_at": "2026-09-11T14:00:00Z"
  }
}