Unnamed service
GET api.biotechcatalystsentinel.com/v1/events
Why an agent can trust this route.
Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.
Observed outcomes
FDA drug-approval catalyst change stream for US-listed biotechs: every state change of every tracked catalyst — each PDUFA date as set, extended and resolved — with the real outcome (approval or CRL), the SEC filing quote and its EDGAR source, as a since-cursor delta feed. Use when you mirror the calendar and need date changes and outcomes as they land, not a snapshot. Accuracy AND coverage are free at GET /v1/accuracy. Flat price per request.
Resource: api.biotechcatalystsentinel.com/v1/events
Network: eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0xcD8975137D48ED9bfD1C299a62c01420B860070d
Payment methods: — · Last validation: 2026-09-13 23:12:20.012+00
{
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [],
"properties": {
"limit": {
"type": "integer",
"default": 100,
"maximum": 500,
"minimum": 1,
"description": "Maximum number of events to return (1-500; default 100)."
},
"since": {
"type": "integer",
"minimum": 0,
"description": "Cursor: return only events with an event_id greater than this (0 = from the start). Pass the last event_id you saw to page forward."
},
"ticker": {
"type": "string",
"pattern": "^\\S+$",
"maxLength": 12,
"minLength": 1,
"description": "Optional server-side filter: only events whose record is filed by this ticker's issuer or exposes it as a co-filer in tickers[] (case-insensitive). Composes with since — limit counts matched events, so a filtered backlog drains without gaps. Unknown ticker returns an empty 200. Does not change the price."
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"data": {
"type": "array",
"items": {
"type": "object",
"required": [
"event_id",
"catalyst_id",
"event_type"
],
"properties": {
"ticker": {
"type": [
"string",
"null"
]
},
"applied": {
"type": "boolean"
},
"company": {
"type": [
"string",
"null"
]
},
"outcome": {
"enum": [
"approved",
"tentative",
"crl",
"none_found",
null
],
"type": [
"string",
"null"
]
},
"tickers": {
"type": "array",
"items": {
"type": "string"
}
},
"event_id": {
"type": "integer"
},
"filed_at": {
"type": [
"string",
"null"
]
},
"new_date": {
"type": [
"string",
"null"
]
},
"accession": {
"type": [
"string",
"null"
]
},
"authority": {
"enum": [
"human_lock",
"llm_high",
"regex",
"llm_medium",
"llm_low",
null
],
"type": [
"string",
"null"
]
},
"drug_name": {
"type": [
"string",
"null"
]
},
"confidence": {
"enum": [
"high",
"medium",
"low",
null
],
"type": [
"string",
"null"
]
},
"delta_days": {
"type": [
"integer",
"null"
]
},
"event_type": {
"enum": [
"new_date_assigned",
"date_extension",
"decision_outcome",
"retracted",
"restored",
"corrected"
],
"type": "string"
},
"indication": {
"type": [
"string",
"null"
]
},
"prior_date": {
"type": [
"string",
"null"
]
},
"source_url": {
"type": [
"string",
"null"
]
},
"catalyst_id": {
"type": "integer"
},
"detected_at": {
"type": [
"string",
"null"
]
},
"merged_into": {
"type": [
"integer",
"null"
]
},
"date_changed": {
"type": "boolean"
},
"days_to_date": {
"type": [
"integer",
"null"
]
},
"source_quote": {
"type": [
"string",
"null"
]
},
"date_confidence": {
"enum": [
"confirmed",
"reported",
"estimated",
null
],
"type": [
"string",
"null"
]
},
"new_date_upcoming": {
"type": "boolean"
},
"application_number": {
"type": [
"string",
"null"
]
}
}
},
"description": "One row per state change, oldest-first while draining a `since` cursor. `tickers` lists every co-filer exposed to the decision."
},
"meta": {
"type": "object",
"description": "Result metadata, e.g. total count."
}
}
}
}
},
"paymentRequirements": [
{
"raw": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xcD8975137D48ED9bfD1C299a62c01420B860070d",
"amount": "50000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0xcD8975137D48ED9bfD1C299a62c01420B860070d",
"scheme": "exact",
"network": "eip155:8453",
"amountAtomic": "50000"
},
{
"raw": {
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"payTo": "3gM4YDDPAi7w1di7rHAAaHc5T1tR7NRXzLWzPPN4ZRaM",
"amount": "50000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
},
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"payTo": "3gM4YDDPAi7w1di7rHAAaHc5T1tR7NRXzLWzPPN4ZRaM",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"amountAtomic": "50000"
}
]
}Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.