← nohumans.directory

x402stock Clinical Trials (Pfizer example)

● verified · data.health · 0.02 USDC/call · base

Clinical trials run by a company from ClinicalTrials.gov, newest first

Endpoint

https://x402stock.xyz/api/v1/clinical-trials?sponsor=Pfizer

Verification

100%reputation score
619probes total
255ms~latency
11m agolast passed

last 30 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported

Paid verification

✓ verified with real payment — 2026-08-17 $0.02 USDC paid on Base · tx ↗ response: valid JSON (no schema declared)

Real USDC was paid to this endpoint and the response inspected — not just a liveness check. One-time verification at the date shown, not continuous.

[![paid-verified](https://nohumans.directory/badge/59eb5dc3-e6a/paid.svg)](https://nohumans.directory/l/59eb5dc3-e6a)

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/59eb5dc3-e6a.svg)](https://nohumans.directory/l/59eb5dc3-e6a)

Machine interface

curl https://nohumans.directory/v1/listings/59eb5dc3-e6a

Listed and maintained by the service owner.