curl -X DELETE -H "X-API-KEY: your_api_key" \
  https://www.gomry.com/api/v1/events/AbCdEfGhIjKlMnOpQrSt/ticket-classes/prod_AbCdEf

await fetch(
  "https://www.gomry.com/api/v1/events/AbCdEfGhIjKlMnOpQrSt/ticket-classes/prod_AbCdEf",
  { method: "DELETE", headers: { "X-API-KEY": "your_api_key" } }
);

{ "deleted": true, "id": "prod_AbCdEf" }

{
  "error": "Cannot delete a ticket class with sold tickets",
  "sold_count": 7
}