Discover / api.biotechcatalystsentinel.com

Biotech Catalyst Sentinel

■ Challenge detected

PDUFA dates a company put in an SEC filing, not a calendar of every US-listed biotech. Each date is grounded in a verbatim filing quote, cited to its EDGAR accession, and scored against the FDA decision. Use when you need the next 1-365 days of those disclosed dates, whole feed or one ticker. Accuracy and coverage are free at GET /v1/accuracy. Flat price per request.

x402
Base
Solana
USDC
Data

Listed price: $0.02
Challenge detected: 10 of the last 10 checks
Median response: 456 ms
Last checked: 17 Oct, 07:50 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://api.biotechcatalystsentinel.com/v1/catalysts/upcoming
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

2 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.biotechcatalystsentinel.com/v1

GET/events$0.05Change stream for PDUFA dates a company put in an SEC filing: every set, extension and resolution of every tracked catalyst, with the outcome (approval or CRL), the filing quote and its EDGAR source, as a since-cursor feed. Use when you mirror those disclosed dates and need changes as they land, not a snapshot. Accuracy and coverage are free at GET /v1/accuracy. Flat price per request.
GET/catalysts/upcoming$0.02PDUFA dates a company put in an SEC filing, not a calendar of every US-listed biotech. Each date is grounded in a verbatim filing quote, cited to its EDGAR accession, and scored against the FDA decision. Use when you need the next 1-365 days of those disclosed dates, whole feed or one ticker. Accuracy and coverage are free at GET /v1/accuracy. Flat price per request.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 2 of 2 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.biotechcatalystsentinel.com

Recent checks

27 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 07:50 UTC	Challenge detected	402	466ms
15 Oct, 23:42 UTC	Challenge detected	402	473ms
14 Oct, 17:17 UTC	Challenge detected	402	511ms
12 Oct, 15:35 UTC	Challenge detected	402	441ms
10 Oct, 21:52 UTC	Challenge detected	402	432ms
9 Oct, 15:32 UTC	Challenge detected	402	491ms
8 Oct, 12:43 UTC	Challenge detected	402	446ms
7 Oct, 09:33 UTC	Challenge detected	402	438ms
6 Oct, 09:33 UTC	Challenge detected	402	476ms
27 Sept, 17:02 UTC	Challenge detected	402	360ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 07:50 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Biotech Catalyst Sentinel?

Its listed price is $0.02.

What payment terms does Biotech Catalyst Sentinel advertise?

The listing advertises x402, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Biotech Catalyst Sentinel listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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