{"slug":"2s-64ac682d","name":"2s","summary":"Look up an IETF RFC by number. Pass number as RFC2616, 2616, or the integer 2616. Returns the RFC title, authors, publication date, status (e.g. INTERNET STANDARD, PROPOSED STANDARD, DRAFT STANDARD, INFORMATIONAL, EXPERIMENTAL, HISTORIC, BEST CURRENT PRACTICE), stream (IETF/IAB/IRTF/Independent/Legacy), DOI, canonical rfc-editor.org URL, and the full standards relationship chain: which RFCs this one obsoletes / is obsoleted by, and which it updates / is updated by. Authoritative data from the IETF/RFC Editor index. Use this to resolve whether a spec is current or superseded before relying on it.","status":"live","indexable":true,"listed_since":"2026-10-25T17:53:18.206643Z","sources":[{"source":"x402_bazaar","external_id":"https://2s.io/api/dev/rfc","owner_address":"0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5","seen_at":"2026-10-27T12:31:01.024009Z","removed_at":null}],"endpoints":[{"url":"https://2s.io/api/dev/rfc","host":"2s.io","protocol":"x402","state":"live","last_probe_at":"2026-10-26T09:29:32.385685Z","last_ok_at":"2026-10-26T09:29:32.385685Z","tools_count":null,"tools_changed_at":null,"uptime_24h":null,"uptime_30d":1.0}],"also_listed_as":[{"slug":"2s-io-49c1cd49","name":"2s.io"}],"payment_options":[{"endpoint_url":"https://2s.io/api/dev/rfc","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"3000","pay_to":"0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5","observed_at":"2026-10-26T09:29:32.385685Z"},{"endpoint_url":"https://2s.io/api/dev/rfc","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","rail":"exact","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","coin":"USDC","asset_label":"USDC","amount":"3000","pay_to":"TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn","observed_at":"2026-10-26T09:29:32.385685Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":4,"paid_calls_30d":211,"last_paid_at":"2026-10-26T23:22:36.471Z","reported_at":"2026-10-27T12:31:01.024009Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 26 hours ago."},{"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 1 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"4 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-27T11:30:32.034886Z"},"identity":{"endpoint_domains":["2s.io"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}