curl --request POST \
  --url https://api.traceloop.com/v2/evaluators/execute/char-count-ratio \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "denominator_text": "This is a longer text for comparison",
    "numerator_text": "Short text"
  }
}
'

{
  "char_ratio": 0.75
}