curl --request GET \
  --url https://app.flowglad.com/api/v1/features/{id} \
  --header 'Authorization: <api-key>'

{
  "feature": {
    "id": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "createdByCommit": "<string>",
    "updatedByCommit": "<string>",
    "livemode": true,
    "organizationId": "<string>",
    "type": "toggle",
    "slug": "<string>",
    "name": "<string>",
    "description": "<string>",
    "amount": {},
    "usageMeterId": {},
    "renewalFrequency": {},
    "catalogId": "<string>",
    "active": true
  }
}