curl --request DELETE \
  --url https://api.sigmamind.ai/v1/test-cases/{testCaseId} \
  --header 'X-API-Key: <api-key>'

{
  "error": "Bad Request",
  "message": "Invalid request parameters",
  "path": "/v1/test-cases",
  "status": 400,
  "timestamp": "2026-04-16T15:35:29.045Z"
}