{"id":"clm_12DBC29D07D1","entity":"american-express","predicate":"founded","value":"1850","value_json":{"note":"The page says American Express was founded in 1850 in Buffalo, New York, through a merger of three express mail companies. It gives only the year.","check":{"on":"2026-11-12","url":"https://www.ebsco.com/research-starters/history/american-express-company/","pages":1,"quote":"Founded in 1850 as an express mail service, Amex transitioned into financial services","outcome":"checked"},"verdict":"found","verified":"2026-11-11","precision":9,"missing_basic":true},"valid_from":"1850-01-01","valid_to":null,"published":null,"recorded":"2026-11-11","citation":{"plain":"AsOf. \"American Express founded: 1850\", as of 1850-01-01. Claim clm_12DBC29D07D1, https://asof.is/claim/clm_12DBC29D07D1, accessed 2026-11-12. Source: https://www.ebsco.com/research-starters/history/american-express-company/.","url":"https://asof.is/claim/clm_12DBC29D07D1","accessed":"2026-11-12"},"confidence":0.6,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-11T13:40:10.003463+00:00","updated_at":"2026-11-12T05:31:37.445869+00:00","sources":[{"url":"https://www.ebsco.com/research-starters/history/american-express-company/","tier":"secondary","publisher":"ebsco.com","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-12","quote":"Founded in 1850 as an express mail service, Amex transitioned into financial services","url":"https://www.ebsco.com/research-starters/history/american-express-company/"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","citation":"citation: how to cite the row (plain: one sentence with the value, its as-of date, the claim id and URL, the day answered and the primary source; url: the claim page; accessed: the day answered). APA and BibTeX forms are on the claim page.","why_not":{"unverified":"Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it."},"checked_by":{"page-read":"its source page states the value and the date"}}}