api.biotechcatalystsentinel.com publishes 2 machine-payable endpoints over the x402 protocol, priced from $0.02 to $0.05 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /v1/catalysts/upcoming | GET | $0.02 | 402 |
| /v1/events | GET | $0.05 | 402 |
Upcoming FDA drug-approval (PDUFA) decision dates for US-listed biotechs — a forward catalyst calendar extracted from primary SEC 8-K/6-K filings, every date grounded in a verbatim filing quote and ci…
FDA drug-approval catalyst change stream for US-listed biotechs: every state change of every catalyst we track — each PDUFA date as it is set, extended and resolved — with the real outcome (approval, …