curl --request POST \
  --url https://api.promptguard.dev/api/v1/proxy/redteam/test-custom \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "custom_prompt": "<string>",
  "target_preset": "default"
}
'

{
  "test_name": "<string>",
  "prompt": "<string>",
  "decision": "<string>",
  "reason": "<string>",
  "threat_type": "<string>",
  "confidence": 123,
  "blocked": true,
  "details": {}
}