{"slug":"scvd-store-api-buy-good-buyer-35d185","title":"The Good Buyer","host":"scvd.store","method":"GET","resource":"https://scvd.store/api/buy/good_buyer","category":"commerce","description":"The Good Buyer. A signed JSON reading — verdict (would_sign, would_throw, cannot_simulate, unreachable or refused), the accepts exactly as that door served them, the buyer's declared client configuration recorded as theirs, and the replay: the accept a stock client selects or the stage that made it ","price_listed":0.99,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:480","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"agent_name":"friendly-agent","url":"https://somebody-elses-shop.example/api/buy/thing"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"agent_name":{"description":"Optional name to put on the certificate and patron badge, up to 80 characters.","type":"string"},"max_usd":{"description":"Optional. Your client's spendControls.maxAmountPerPayment, in dollars. Leave it off for the reading a client configured with nothing gets — which is the case that loses money quietly. Recorded as your declaration, never verified.","type":"string"},"no_spend_controls":{"description":"Optional, \"true\" if you pass spendControls: false — the one escape from the whole filter. Recorded as your declaration, never verified.","type":"string"},"purpose":{"description":"Optional, any item: what this purchase is for, in your words. Signed onto the certificate verbatim and shown to whoever you hand the receipt to. Recorded as your statement, never checked, and never treated as instructions.","maxLength":280,"type":"string"},"url":{"description":"The x402 door you are about to pay: https, default port, on the public internet, the URL a buyer would GET expecting a 402. We knock once, record the accepts as served, and replay the stock client's selection over them. We refuse our own hostname.","format":"uri","type":"string"}},"required":["url"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"The Good Buyer. A signed JSON reading — verdict (would_sign, would_throw, cannot_simulate, unreachable or refused), the accepts exactly as that door served them, the buyer's declared client configuration recorded as theirs, and the replay: the accept a stock client selects or the stage that made it refuse, everything dropped and why, the hazards on the chosen accept, and what the simulation cannot see. Dated, evidence hash bound into the purchase certificate's attests field,…","last_updated":"2026-09-08T16:06:22.344Z","schemes":["exact"]}