{"slug":"api-x402node-dev-identity-username-check-20494f01","name":"api.x402node.dev/identity/username-check","summary":"Check if a username is taken across 10 developer platforms (GitHub, GitLab, Reddit, HackerNews, dev.to, Medium, npm, PyPI, StackOverflow, ProductHunt). Returns per-platform {taken, status, url}. Use ?username=alice or ?username=alice and platforms=github,reddit. Built for AI agents helping pick handles, brand audits. Accepts payment on Base or Solana — either network works.","status":"live","headings":[{"slug":"code","title":"Code & developer tools"}],"indexable":true,"listed_since":"2026-11-08T20:46:14.750556Z","sources":[{"source":"x402_bazaar","external_id":"https://api.x402node.dev/identity/username-check","owner_address":"0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e","seen_at":"2026-11-10T10:16:19.345990Z","removed_at":null}],"endpoints":[{"url":"https://api.x402node.dev/identity/username-check","host":"api.x402node.dev","protocol":"x402","state":"live","last_probe_at":"2026-11-11T00:32:22.320296Z","last_ok_at":"2026-11-11T00:32:22.320296Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-x402node-dev-e7249e95","name":"api.x402node.dev"}],"payment_options":[{"endpoint_url":"https://api.x402node.dev/identity/username-check","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"10000","pay_to":"0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e","observed_at":"2026-11-11T00:32:22.320296Z"},{"endpoint_url":"https://api.x402node.dev/identity/username-check","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","rail":"exact","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","coin":"USDC","asset_label":null,"amount":"10000","pay_to":"9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up","observed_at":"2026-11-11T00:32:22.320296Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":1,"last_paid_at":"2026-11-07T23:15:05.768Z","reported_at":"2026-11-10T10:16:19.345990Z"},"assessment":{"method":"2026.11.3","checks":[{"id":"answers","state":"pass","reason":"Answered a check 11 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 2 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"1 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":"2026-11-11T00:21:45.029564Z"},"identity":{"endpoint_domains":["x402node.dev"],"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."}