curl --request POST \
  --url https://api.traceloop.com/v2/evaluators/execute/perplexity \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "logprobs": "[-2.3, -1.5, -0.8, -1.2, -0.5]"
  }
}
'

{
  "perplexity_score": 12.5
}