{"slug":"apexfaucet-xyz-api-x402-pay-safe-7cd4d9","title":"Before you pay USDC","host":"apexfaucet.xyz","method":"GET","resource":"https://apexfaucet.xyz/api/x402/pay-safe","category":"company","description":"Before you pay USDC: one signed verdict for the payee (poison lookalike, USDC blacklist, OFAC), a duplicate, our catalog price, and whether that call has been delivered. Not a permission to pay. Arc builders: https://apexfaucet.xyz/arc-builders/. Pay-safe: one EIP-712 PaySafeVerdict before you send ","price_listed":0.01,"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":0,"reported_payers_30d":0,"networks":["eip155:4663","eip155:5042","eip155:56","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"discoverable":true,"method":"GET","queryParams":{"amount":"0.01","chain":"arc","nonce":"0x0000000000000000000000000000000000000000000000000000000000000001","payee":"0x3600000000000000000000000000000000000000","payer":"0xd334AB5151C624cAdA654854E2879903Dc4217eD","resource":"https://apexfaucet.xyz/api/x402/page-extract","window":"600"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"amount":{"description":"USDC. A decimal like 0.01 is the amount. A bare integer is atomic units and is accepted only with resource and nonce.","pattern":"^([0-9]{1,18}|[0-9]{1,12}\\.[0-9]{1,6})$","type":"string"},"chain":{"description":"arc (default) or base. The signed networkId names this chain. The signature domain stays chainId 5042.","pattern":"^(arc|base|eip155:5042|eip155:8453|5042|8453)$","type":"string"},"nonce":{"description":"EIP-3009 nonce. Omit it and the duplicate half is NOT_CHECKED. A missing nonce cannot be a PASS.","pattern":"^0x[0-9a-fA-F]{64}$","type":"string"},"payee":{"description":"The 0x address you are about to pay.","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"payer":{"description":"Optional: your paying wallet.","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"resource":{"description":"Resource URL. Used for the catalog price and for whether that endpoint has delivered before. Required with nonce and amount for the duplicate half.","pattern":"^https?:\\/\\/\\S+$","type":"string"},"window":{"description":"Seconds for the duplicate half. Default 600. Clamped from 60 to 86400.","pattern":"^[0-9]{1,5}$","type":"string"}},"required":["payee"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method","queryParams"],"type":"object"},"output":{"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Before you pay USDC: one signed verdict for the payee (poison lookalike, USDC blacklist, OFAC), a duplicate, our catalog price, and whether that call has been delivered. Not a permission to pay. Arc builders: https://apexfaucet.xyz/arc-builders/. Pay-safe: one EIP-712 PaySafeVerdict before you send USDC. Pass ?payee=<0x>.","last_updated":"2026-11-04T16:57:43.927Z","schemes":["exact"]}