{"service":"jaco-verify","description":"Checks an AI answer against the evidence it rests on. Concrete facts (hashes, paths, versions, dates, URLs, names) are matched against the evidence; other claims are judged by an independent model. A list presented as complete is flagged when the evidence names more items.","price":{"amount":0.02,"currency":"USD","free":"25 checks per client per day","paid":"x402, USDC on Base, per check"},"request":{"method":"POST","url":"https://api.jacocode.com/v1/verify","body":{"answer":"The release is 3.14.8 [#1].","evidence":[{"text":"Python 3.14.8 - Sept. 30, 2026","source":"https://www.python.org/downloads/"}]}},"citation":"Cite evidence item n as [#n] in the answer; uncited claims are checked against all evidence."}