{"query":"sentiment-score","result":{"score":0.4,"label":"very_positive","tokens":5,"hits":2},"source":"stream-5-prediction/sentiment-aggregator-fixture","route":"/api/v1/sentiment/score","sample":true,"cost":"free","paidPriceUsd":"0.05","fieldsIncludedWhenPaid":["text"],"note":"Free sample: this preview costs nothing. GET /api/v1/sentiment/score?text=<...> charges 0.05 USDC and returns the same sentiment score plus the caller-supplied text."}