curl -X DELETE 'https://crypto-api.yativo.com/api/v1/apikey/key_69c799d9f1fba3928d8a12ac' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN'

{
  "success": true,
  "message": "API key revoked successfully",
  "data": {
    "id": "key_69c799d9f1fba3928d8a12ac",
    "is_revoked": true,
    "revoked_at": "2026-03-28T11:00:00.000Z"
  }
}