Lexicon-based sentiment scoring: label a text positive, negative or neutral with a score and the positive and negative word hits behind it (AFINN-derived word list, not a trained model). POST /v1/sentiment with {text}. Deterministic. Pay per request in USDC; no account, no API key.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0xF732...B829 |