{"slug":"api-prereason-com-api-events-e3b8b0","title":"What changed since your last read","host":"api.prereason.com","method":"GET","resource":"https://api.prereason.com/api/events","category":"company","description":"What changed since your last read: one page of PreReason's change events after a cursor. A briefing's state label, a tracked release, and, for the companies you name (?companies=, at most 200), newer figures, a situation turning on or filed news (?kinds= narrows it). Each event says what changed, wh","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1624,"reported_calls_30d":4,"reported_payers_30d":3,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"types":"state.changed,release.published"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"companies":{"description":"Company addresses, comma separated, at most 200. A company's events reach only a read that names it.","type":"string"},"cursor":{"description":"The next_cursor of your previous read. Left out, the read starts 24 hours back.","pattern":"^[0-9]{1,18}$","type":"string"},"kinds":{"description":"Company news kinds, comma separated, from earnings-release, material-event, leadership-change, ownership-report. Left out, every kind but ownership-report, which comes only when named.","type":"string"},"limit":{"description":"Events a page holds, 1 to 100. Default 50.","pattern":"^[0-9]{1,3}$","type":"string"},"types":{"description":"Event types, comma separated, from state.changed, release.published, company.figures_updated, company.situation_changed, company.news. Every type when left out.","type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":1624,"error":null}],"description_full":"What changed since your last read: one page of PreReason's change events after a cursor. A briefing's state label, a tracked release, and, for the companies you name (?companies=, at most 200), newer figures, a situation turning on or filed news (?kinds= narrows it). Each event says what changed, when it happened, when PreReason knew it and where to fetch it, never a value. With no cursor it answers the last 24 hours; each answer's next_cursor is where the next read starts.","last_updated":"2026-10-10T17:13:23.858Z","schemes":["exact"]}