Search ClinicalTrials.gov: eligibility criteria, status, and sites parsed to JSON. POST /v1/clinical with a {condition} and optional limit and get matching studies as one JSON object. Deterministic per record. Pay per request in USDC; no account, no API key.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0xF732...B829 |