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api.biotechcatalystsentinel.com catalysts upcoming
https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming
payable
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 cited to its EDGAR accession. The difference from other catalyst feeds: each date is scored against the actual FDA decision, so accuracy is a public, auditable track record (median 1-day error) — verify
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0xcD8975137D48ED9bfD1C299a62c01420B860070d
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 431 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:09:28.410Z (1d ago)
- Category
- web-scraping
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.biotechcatalystsentinel.com%2Fv1%2Fcatalysts%2Fupcoming"