{"slug":"arc-agent-uptime-check-39977182","name":"Arc agent uptime check","summary":"Which agents registered on Arc actually answer. Every endpoint every agent lists in its ERC-8004 registration file (web, A2A, MCP, x402, the file itself) is called once an hour through an address-checked fetcher: A2A cards are read, MCP servers get the initialize handshake, x402 paywalls are parsed the way a standard client would and checked against the on-chain EIP-712 domains of USDC and EURC on Arc (a wrong domain means every signature fails - we name it).","status":"live","headings":[{"slug":"blockchain","title":"Blockchain & wallets"},{"slug":"cloud-devops","title":"Cloud & DevOps"}],"indexable":true,"listed_since":"2026-10-27T11:36:12.661349Z","sources":[{"source":"x402_bazaar","external_id":"https://apexfaucet.xyz/api/x402/arc-agent-watch","owner_address":"0xd334ab5151c624cada654854e2879903dc4217ed","seen_at":"2026-11-11T10:20:43.006853Z","removed_at":null}],"endpoints":[{"url":"https://apexfaucet.xyz/api/x402/arc-agent-watch","host":"apexfaucet.xyz","protocol":"x402","state":"live","last_probe_at":"2026-11-11T10:25:23.778928Z","last_ok_at":"2026-11-11T10:25:23.778928Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"apexfaucet-xyz-f3cfed4a","name":"apexfaucet.xyz"}],"payment_options":[{"endpoint_url":"https://apexfaucet.xyz/api/x402/arc-agent-watch","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"4000","pay_to":"0xd334ab5151c624cada654854e2879903dc4217ed","observed_at":"2026-11-11T10:25:23.778928Z"},{"endpoint_url":"https://apexfaucet.xyz/api/x402/arc-agent-watch","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","rail":"exact","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","coin":"USDC","asset_label":null,"amount":"4000","pay_to":"HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ","observed_at":"2026-11-11T10:25:23.778928Z"},{"endpoint_url":"https://apexfaucet.xyz/api/x402/arc-agent-watch","network":"eip155:5042","scheme":"exact","rail":"exact","asset":"0x3600000000000000000000000000000000000000","coin":"USDC","asset_label":"USDC","amount":"4000","pay_to":"0xd334ab5151c624cada654854e2879903dc4217ed","observed_at":"2026-11-11T10:25:23.778928Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":3,"last_paid_at":"2026-11-08T03:32:48.962Z","reported_at":"2026-11-11T10:20:43.006853Z"},"assessment":{"method":"2026.11.3","checks":[{"id":"answers","state":"pass","reason":"Answered a check within the last hour."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 14 days; 30 are needed."},{"id":"real_customers","state":"pass","reason":"10 independent wallets paid the wallet it asks to be paid at in 30 days, counted on-chain by addrbook."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":2,"applicable":4,"contradicted":false,"computed_at":"2026-11-11T00:23:59.138437Z"},"identity":{"endpoint_domains":["apexfaucet.xyz"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":{"payments_30d":44,"payers_30d":11,"independent_30d":10,"returning_30d":3,"top_payer_share":0.36363637,"chains":[5042],"computed_at":"2026-11-11T11:23:58.123820Z"},"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}