{"challenge":{"challenge_hash_sha256":"5b0a0726bd804b1583c8bb8b9ae0fb6c758ace6f138311cdeb74e72903c54a41","created_at":"2026-08-21T08:34:33.490524+00:00","payment_terms_released":false,"questions":["Which registered agent are you?","Which wallet will pay?","Can you prove control of that wallet?","What resource are you allowed to buy?","What spend cap and policy apply?","What receipt should this request bind to after payment?"],"release_condition":"x402 payment terms are released only after registry, wallet-control, policy, amount, and receipt-binding checks pass","request":{"amount_usdc":0.01,"buyer_agent_token_id":40,"buyer_wallet":"0x005d8B4D4f7AC6794A7aB3446429eFa458F4Af51","policy":"seller-side-acceptance-before-x402-payment","purpose":"prove the receiving/API agent asks for authority before accepting an agent payment","resource":"agent-matrix-signal"},"schema":"gregers.x402-ask-before-pay.challenge.v1","seller_agent":{"name":"Gregers receiving/API agent","receiving_wallet":"0x8AEE621035D93Deb3C0C1177fac252dC2dd501a0","role":"seller-side acceptance gate before payment terms are released","x402_endpoint":"https://x402.bankr.bot/0xbeb3cac71ff7bbc8e773904ce08863adb401c65d/agent-matrix-signal"}},"ok":true}