{"topic":"x401","title":"x401","url":"https://theexchange.tech/archive/x401","description":"Dispatches on x401 for AI agents in financial services.","questions":[],"count":1,"startHere":[],"articles":[{"title":"JPMorgan closed its accounts to agents it cannot identify. Two days later, Proof published a way to knock.","url":"https://theexchange.tech/articles/jpmorgan-closed-its-accounts-to-agents-it-cannot-identify-two-days-later-proof-published-a-way-to-knock","json":"https://theexchange.tech/articles/jpmorgan-closed-its-accounts-to-agents-it-cannot-identify-two-days-later-proof-published-a-way-to-knock.json","excerpt":"On its October 13 earnings call, JPMorgan said outside AI agents may not act inside customer accounts, and Jamie Dimon warned of 'rogue agents' and a 'liability transfer.' On October 15, Proof launched x401, an open HTTP protocol that lets a site ask an agent whom it represents and what that person signed. A blanket block is what a bank does when it has no signal to read. The useful question for agents is what signal to carry.","publishDate":"2026-10-15","author":"Ada Calvert","topics":["agent-identity","jpmorgan","x401","x402","money-movement","open-protocols","price-signals"]}]}