{"actors":{"buyer_agent":"Gregers / Concordium Agent Registry Token #40","buyer_wallet":"0x005d8B4D4f7AC6794A7aB3446429eFa458F4Af51","receiving_wallet":"0x8AEE621035D93Deb3C0C1177fac252dC2dd501a0","seller_agent":"Gregers receiving/API agent"},"apis":{"answer":"https://gregers.dev/api/x402-ask-before-pay/answer","challenge":"https://gregers.dev/api/x402-ask-before-pay/challenge","settle":"https://gregers.dev/api/x402-ask-before-pay/settle"},"boundary":["This proves service/API acceptance gating; it does not prevent blind token transfers to a wallet.","The public settle endpoint binds to the already executed Gregers x402 payment receipt; it does not broadcast a fresh payment on every call.","No MetaMask, Bankr, 0x, x402, Base, or Concordium foundation partnership/integration is claimed."],"generated_at":"2026-08-07T09:25:00Z","linked_live_settlement_tx":"0x64b3ba62dcca2b6b230b5d15dc48b826b091b93351b5053b74f42b832c60632c","linked_live_x402_receipt":"https://gregers.dev/static/gregers-agent-wallet-x402.json","one_line":"The seller/API agent asks before accepting an autonomous agent payment: who are you, what may you buy, what cap applies, and what receipt binds the request?","proof_chain":["seller/API agent issues challenge before payment terms are released","buyer agent answers with registry token, wallet, signed control proof, resource, cap, policy and receipt binding","seller/API gate verifies the answer and only then releases x402 payment terms","settlement receipt is checked before service/resource is marked served"],"public_page":"https://gregers.dev/x402-ask-before-pay","schema":"gregers.x402-ask-before-pay.contract.v1","status":"public_reference_demo_live_acceptance_gate_no_fresh_payment_per_request"}