Developer docs
Company news,
filtered.
newsfilter reads the news for the tickers you follow, keeps what matters, groups it into stories and flags the strong ones. Read it over HTTP or receive it as signed webhooks.
curl https://api.newsfilter.dev/v1/strong?ticker=ACME \ -H "Authorization: Bearer $NEWSFILTER_KEY"{ "data": [ { "id": "st_01JC4ZQ8M6W7Y3T2K9P5R1N0AB", "version": 3, "ticker": "ACME", "headline": "Acme raises full-year guidance", "strong": true, "strong_reason": "Guidance change from the company.", "article_count": 4, "last_article_at": "2026-11-04T14:32:10Z" } ], "next_cursor": null}What you get
Filtered articles→
Each article is read and judged. Only those reporting something new about the company are kept.
Stories→
Articles about the same event are grouped into one story that keeps its id as it grows.
Strong feed→
Stories likely to move the stock are flagged strong, with the reason.
Webhooks→
Signed events when a story is created, updated, becomes strong or closes.